You looking for the truth on Google? Good luck. Remember, all search engines have been programmed a certain way to provide you with what Google, Facebook, bing, yahoo, old twitter, and others want you to see. That’s like asking Snopes to do fact checking which isn’t accurate.
Check these sites for further info:
How Google manipulates search to favor liberals and tip elections
Middle Schooler Proves Google Search Results Influence Political Opinions [Infographic]
Google Search Results Can Lean Liberal, Study Finds - WSJ
This also goes beyond politics, their search engines favor their advertisers in their searches.
Google Uses Its Search Engine to Hawk Its Products - WSJ
Google tips the scales in its own favor--but do marketers care?; Tuesday's daily brief