It's not about censorships by Russia, it's perhaps opposite of that - Russia wants to protects its citizen from the prying eyes of foreign government.
Putin accused companies such as Google and Microsoft of collecting user data and handing it to the CIA, branding the internet a “CIA Project”. The Kremlin went as far as recommending Russians avoid using these online products because everything was monitored. It must be noted, though, that other nations, including the European Union, Canada and China, have enacted similar data security policies in response to news of government online surveillance and other unauthorized access.
http://www.forbes.com/sites/denielmero/2015/02/20/google-hea...