Try the tips in this link. I use them and have never been redirected anywhere. If you still get redirected searching like that, then you probably have some adware on your comp.

How to find music

If still redirected, this thread has a lot of links to Antimalwareprograms

http://www.gnutellaforums.com/showthread.php?t=58072

And this one has some more links:

WARNING: Viruses on network you should be aware of!