diff --git a/src/app/search/search-routing.module.ts b/src/app/search/search-routing.module.ts
index b8f6be771c4be73aee008fe104f45fe89306d08f..1b6244928aab6701f453a56697fcf50f4eaa50d7 100644
--- a/src/app/search/search-routing.module.ts
+++ b/src/app/search/search-routing.module.ts
@@ -32,6 +32,10 @@ const routes: Routes = [
     imports: [RouterModule.forChild(routes)],
     exports: [RouterModule]
 })
+/**
+ * @class
+ * @classdesc Search routing module.
+ */
 export class SearchRoutingModule { }
 
 export const routedComponents = [
diff --git a/src/app/search/search.module.ts b/src/app/search/search.module.ts
index f4c029645f28e4fc81296a448f230994eb752ae9..7209a04449f1ad0907c3b2f897fee99a27b63b44 100644
--- a/src/app/search/search.module.ts
+++ b/src/app/search/search.module.ts
@@ -34,4 +34,8 @@ import { reducer } from './store/search.reducer';
     ],
     providers: [SearchService]
 })
+/**
+ * @class
+ * @classdesc Search module.
+ */
 export class SearchModule { }
diff --git a/src/app/search/store/search.effects.ts b/src/app/search/store/search.effects.ts
index bc218a515ce203b3845d598a42d596b9e8b06f91..e4157218e43ecc030b74c7f2936ef526ffd98f9c 100644
--- a/src/app/search/store/search.effects.ts
+++ b/src/app/search/store/search.effects.ts
@@ -32,6 +32,10 @@ import * as utils from '../../shared/utils';
 import { getCriterionStr } from '../../shared/utils';
 
 @Injectable()
+/**
+ * @class
+ * @classdesc Search effects.
+ */
 export class SearchEffects {
     constructor(
         private actions$: Actions,
@@ -44,7 +48,7 @@ export class SearchEffects {
             coneSearch: fromConeSearch.State
         }>
     ) { }
-
+    
     @Effect()
     initSearchByUrlAction$ = this.actions$.pipe(
         ofType(searchActions.INIT_SEARCH_BY_URL),
diff --git a/src/app/search/store/search.reducer.ts b/src/app/search/store/search.reducer.ts
index 8fde14f2978ebfb52265181675a49d6d9091a175..a7bc23d21d67ad4f6187f65c3a1886911ab3a0b0 100644
--- a/src/app/search/store/search.reducer.ts
+++ b/src/app/search/store/search.reducer.ts
@@ -10,6 +10,11 @@
 import * as actions from './search.action';
 import { Criterion } from './model';
 
+/**
+ * Interface for search state.
+ *
+ * @interface State
+ */
 export interface State {
     pristine: boolean;
     currentStep: string;
@@ -50,6 +55,14 @@ export const initialState: State = {
     processId: null
 };
 
+/**
+ * Reduces state.
+ *
+ * @param  {State} state - The state.
+ * @param  {actions} action - The action.
+ *
+ * @return State
+ */
 export function reducer(state: State = initialState, action: actions.Actions): State {
     switch (action.type) {
         case actions.CHANGE_STEP:
diff --git a/src/app/search/store/search.service.ts b/src/app/search/store/search.service.ts
index c601660f169b9c57c2dc5a095f55628a933363e8..f5f76ba1f61ee126790d6e04be974860a1079119 100644
--- a/src/app/search/store/search.service.ts
+++ b/src/app/search/store/search.service.ts
@@ -10,29 +10,65 @@
 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 
+import { Observable } from 'rxjs';
+
 import { environment } from '../../../environments/environment';
 
 @Injectable()
+/**
+ * @class
+ * @classdesc Search service.
+ */
 export class SearchService {
     API_PATH: string = environment.apiUrl;
     instanceName: string = environment.instanceName;
 
     constructor(private http: HttpClient) { }
 
-    retrieveData(query: string) {
+    /**
+     * Retrieves results for the given parameters.
+     *
+     * @param  {string} query - The query.
+     *
+     * @return Observable<any[]>
+     */
+    retrieveData(query: string): Observable<any[]> {
         return this.http.get<any[]>(this.API_PATH + '/search/' + query);
     }
 
-    getDataLength(query: string) {
+    /**
+     * Retrieves results number for the given parameters.
+     *
+     * @param  {string} query - The query.
+     *
+     * @return Observable<{ nb: number }[]>
+     */
+    getDataLength(query: string): Observable<{ nb: number }[]> {
         return this.http.get<{ nb: number }[]>(this.API_PATH + '/search/' + query);
     }
 
-    executeProcess(typeProcess: string, dname: string, query: string) {
+    /**
+     * Executes process with the given parameters.
+     *
+     * @param  {string} typeProcess - The process type.
+     * @param  {string} dname - The dataset name.
+     * @param  {string} query - The query.
+     *
+     * @return Observable<any>
+     */
+    executeProcess(typeProcess: string, dname: string, query: string): Observable<any> {
         const url = this.API_PATH + '/service/' + this.instanceName + '/' + dname + '/' + typeProcess + query;
         return this.http.get<any>(url);
     }
 
-    checkProcess(id: string) {
+    /**
+     * Checks if process with the given ID is done.
+     *
+     * @param  {string} id - The process ID.
+     *
+     * @return Observable<any>
+     */
+    checkProcess(id: string): Observable<any> {
         return this.http.head<any>('http://0.0.0.0:8085/' + id + '.csv');
     }
 }
diff --git a/src/app/shared/cone-search/store/cone-search.service.ts b/src/app/shared/cone-search/store/cone-search.service.ts
index 7f6684731ff39dacefd4675254bb6187f3ed2f64..37c3420e5f1af5b426de2cf6bc6c8885e152f8bb 100644
--- a/src/app/shared/cone-search/store/cone-search.service.ts
+++ b/src/app/shared/cone-search/store/cone-search.service.ts
@@ -10,7 +10,6 @@
 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { Observable } from 'rxjs';
-import { DatasetCount } from '../../../search-multiple/store/model';
 
 @Injectable()
 /**