You need to create new search engine setting in Chrome - it's simple:
- open Google Settings > Manage Search Engines
- create new search engine
- name it say "Google first result"
- set keyword to "!"
- set URL to
{google:baseURL}search?q=%s&{google:RLZ}{google:acceptedSuggestion}{google:originalQueryForSuggestion}{google:assistedQueryStats}{google:searchFieldtrialParameter}{google:searchClient}{google:sourceId}{google:instantExtendedEnabledParameter}ie={inputEncoding}&btnI
- save