making search results work correctly on google

override.ini

Opera Preferences version 2.1
; Do not edit this file while Opera is running
; This file is stored in UTF-8 encoding
; This file is found under c:/users/<username>/appdata/roaming/opera/opera/override.ini
; ~/.opera/ on linux
; or wherever you installed opera (if using the portible version)
; Firefox version was set to version somewhat farther in the future to avoid it not working again anytime soon (version 51)
; add the following lines if they do not already exist to the file:

[Overrides]
www.google.com
encrypted.google.com
google.com
play.google.com
apps.admob.com


[www.google.com]
User Prefs|Custom User-Agent=Mozilla/5.0 (Windows NT 7.1; rv:51.0) Gecko/20140601 Firefox/51.0 Opera 12.17

[google.com]
User Prefs|Custom User-Agent=Mozilla/5.0 (Windows NT 7.1; rv:51.0) Gecko/20140601 Firefox/51.0 Opera 12.17

[encrypted.google.com]
User Prefs|Custom User-Agent=Mozilla/5.0 (Windows NT 7.1; rv:51.0) Gecko/20140601 Firefox/51.0 Opera 12.17

[play.google.com]
User Prefs|Custom User-Agent=Mozilla/5.0 (Windows NT 7.1; rv:51.0) Gecko/20140601 Firefox/51.0 Opera 12.17

[apps.admob.com]
User Prefs|Custom User-Agent=Mozilla/5.0 (Windows NT 7.1; rv:51.0) Gecko/20140601 Firefox/51.0 Opera 12.17