It surprise me how few people know about some of the tricks. You can really narrow down your search results if you use some of them. Most people just don’t take the time to bother. Heck I think most people click the top result even if its only the link title that is relevant.

Google’s features page gives you more suggestions, tips and tricks

http://www.google.com/insidesearch/features.html

and this site gives you an even more in-depth look at what special operators you can use to narrow your results

http://www.googleguide.com/advanced_operators_reference.html