I knew already. Google works together with countries with censorship like Germany (everything that is related to national socialism) and China (Everything that is not related to socialism) to let searchers not find sites the goverment does not want them to find.
Heard this complaint many times, and I find it utterly absurd. If Google did not work with these countries, their citizens would have even less access to information than they would have otherwise. It's better for some presumably-benevolent company to have some influence than for some government-sponsored search engine that only feeds people propaganda.
If nothing else, it's not like any other search engine would have any fewer restrictions placed on it. Google is acting as an impartial business by taking advantage of a market by adapting to the restrictions placed on it.
But regardless, if you feel the Chinese government is repressive or the German government is too paranoid, allowing them any kind of search would seem to be supportive of your position, because if you're right, all that ancillary material that isn't blocked should all point to the 'right' direction, and anyone suitably intelligent can figure it out.
And I'm not surprised that Google may doctor its search results...there are sometimes when a search may be really obviously looking for certain websites, but designing an algorithm to do that would take a lot longer than just generating some exceptions to the rule.