Following the demise of the Thai king, that very controlling nation requested Google to remove negative comments about the king. Google says "When we are notified of content that is illegal through official processes, we will restrict it in the country where it's illegal after a thorough review." Google publishes transparency reports on which countries ask it to remove material, how often and how much. Thai law refuses to allow anything negative about the Thai king, queen or heir-apparent.
"Article 112 of Thailand's criminal code
says anyone who "defames, insults or threatens the king, the queen, the
heir-apparent or the regent" will be punished with up to 15 years in
"From July through December 2015, it received 33 requests from the government of Thailand to remove content.Those requests covered 1,566 individual content items, 97% of which were cited as "government criticism". Google says it complied with 85% of the Thai government's requests - around 1,300 item." Read more about it here http://www.bbc.com/news/world-asia-37738830