Google and Bing aren't capable of searching for everything. These search engines only provide results from the most recent version of a website.
Here a few hidden websites worth checking out.
- wolframalpha.com (an answer engine that can solve any mathematic equation)
- simplynoise.com (simply white noise to drown out everything round you)
- donothingfor2minutes.com (simple challenge to do mothing for 2 minutes)
- accountkiller.com (shows you exactly how to close any social media account forever)
- midomi.com (when you need to find the name of a song)
- fliptext.org (flip text an then use it on Twitter or Facebook)