search engines

here are some search engines:
google
yahoo
ask
dogpile
bing

here are some tips for searching:
use define to find defenition of a word e.g define:sand sharks
use "" to search for something not any thing to do with it e.g ("sand sharks") searchs for sand sharks where as in (sand sharks) searchs for sand,sahrks and sand sharks
use typefile: to find a file e.g "what is love" typyfile: mp3
use site: to find a type of site e.g "sand sharks" site: org