If you haven't tried searching with Duck Duck Go, give it a try at duckduckgo.com
Learn more about how it protects your privacy and doesn't track you.. donttrack.us
Learn more about how it gives back to free and open source software. http://www.gabrielweinberg.com/blog/2010/11/help-me-start-a-foss-tithing-movement.html
I previously posted about trying to add Duck Duck Go directly to Firefox (that has stalled). My proposal for Ubuntu is a bit different, I think it makes sense for us to replace Bing with Duck Duck Go. Every search helps the company behind bug #1, in fact I would argue that including Bing helps them keep up their market-share.
If you like the idea of Duck Duco Go being added to Ubuntu's Firefox search box above, please show your support! http://brainstorm.ubuntu.com/idea/28078/
Also, and just as important as the above, Duck Duck Go provides really awesome results! Try a few... https://duck.co/topic/wow-queries-that-showcase-ddg