Sharepoint Search - Open Search Engines URL's for adding in result source

Hi,

I need open search engines URL's to add in my site result source , can i get the Open search engines URL's like google , yahoo , youtupe's sites?

i get below url's from google chrome browser default search engine settings , i tried the same in adding result source but its not working .

For Google  - {google:baseURL}search?q=%s&{google:RLZ}{google:originalQueryForSuggestion}   {google:assistedQueryStats}{google:searchFieldtrialParameter}{google:bookmarkBarPinned}{google:searchClient}{google:sourceId}{google:instantExtendedEnabledParameter}{google:omniboxStartMarginParameter}ie={inputEncoding}

For Yahoo - https://in.search.yahoo.com/search?ei={inputEncoding}&fr=crmas&p=%s

For Bing  - https://www.bing.com/search?setmkt=en-IN&q=%s

Thanks,

Mani L

Mani L