Google has agreed that it censors it's search results due to regulations in effect in china, China which is still under communist rule have strict policies on surfing the web,
Google's china results are served under the domain google.cn,

Because of government barriers set up to suppress information, Google's China users previously have been blocked from using the search engine.

breitbart.com/news/2006/01/24/D8FBCF686.html

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