diff --git a/searchPages/searchUtils/newSearchPage.component.ts b/searchPages/searchUtils/newSearchPage.component.ts
index 513a5648..586f9ae5 100644
--- a/searchPages/searchUtils/newSearchPage.component.ts
+++ b/searchPages/searchUtils/newSearchPage.component.ts
@@ -990,7 +990,7 @@ export class NewSearchPageComponent implements OnInit, OnDestroy, OnChanges {
       }
     }
     if (doisParams.length > 0) {
-      params += "(" + this.createQuotedKeywordQuery(value, id, operatorId, countParams, true, true) + " or " + doisParams + ")";
+      params += this.createQuotedKeywordQuery(value, id, operatorId, countParams, true, true) + " or " + doisParams + ")";
     } else {
       //if it is PIDs but no doisquery produced, forced to use quotes as the query will fail due to special characters
       params += this.createQuotedKeywordQuery(value, id, operatorId, countParams, true,
@@ -1003,7 +1003,7 @@ export class NewSearchPageComponent implements OnInit, OnDestroy, OnChanges {
     
   }
   
-  private static createQuotedKeywordQuery(fieldValue, fieldId, fieldOperator, countParams: number, isSearchAll: boolean, forceQuotted: boolean = false) {
+  private static createQuotedKeywordQuery(fieldValue: string, fieldId, fieldOperator, countParams: number, isSearchAll: boolean, forceQuotted: boolean = false) {
     let params = "";
     let countQuote = (fieldValue.match(/'/g) || []).length;
     let countDoubleQuote = (fieldValue.match(/"/g) || []).length;
@@ -1014,7 +1014,9 @@ export class NewSearchPageComponent implements OnInit, OnDestroy, OnChanges {
     params += (countParams == 0 ? "" : fieldOperator);
     params += " (";
     if (forceQuotted) {
-      return (countParams == 0 ? "" : " " + fieldOperator + " ") + this.getQuotedQueryPart(fieldId, '"' + fieldValue + '"', isSearchAll);
+      /** Remove double quotes **/
+      fieldValue = fieldValue.replace(/["]+/g, '');
+      return (countParams == 0 ? "" : " " + fieldOperator + " (") + this.getQuotedQueryPart(fieldId, '"' + fieldValue + '"', isSearchAll);
     }
     if (quotedParts && quotedParts.length == 1 && quotedParts[0] == fieldValue) {
       params += this.getQuotedQueryPart(fieldId, fieldValue, isSearchAll);
@@ -1068,7 +1070,7 @@ export class NewSearchPageComponent implements OnInit, OnDestroy, OnChanges {
         i++;
       }
     }
-    return query
+    return query;
   }
   
   private static checkForReservedWords(keyword: string) {
diff --git a/timeout-interceptor.service.ts b/timeout-interceptor.service.ts
index c1374c82..f4737a45 100644
--- a/timeout-interceptor.service.ts
+++ b/timeout-interceptor.service.ts
@@ -4,7 +4,6 @@ import { Observable } from 'rxjs';
 import { timeout } from 'rxjs/operators';
 import {isPlatformServer} from "@angular/common";
 import {properties} from "../../environments/environment";
-import {isArray} from "util";
 
 export const DEFAULT_TIMEOUT = new InjectionToken<number>('defaultTimeout');