DuckDuckGo- This is a browser that does not know anything about you, so search results are the same for all users. Browser homepage features a "clean" design, and easier than Google's. DuckDuckGo does not record any information that might identify. Do not use cookies (cookies), removes the user agents and IP addresses from their servers. The result is that DuckDuckGo does not know whether the two results come from the same computer.
Startpage- If you find it difficult to give up Google at the same time you want more privacy, try the company's search engine Ixquick - Startpage that Google will search for you.
Blekko- does not guarantee anonymity as previously mentioned search engines, but in comparison to Google, Yahoo or Bing this browser still respects your privacy. Blekko record identifying information, but it saves only 48 hours.