*for old browsers

Search Options:

cats +tabby (results must contain the word tabby)
cats -tabby (results must not contain the word tabby)
"I love you" (use quotes to find an exact match)
join* (asterisk finds matches such as join, joins, joining)

!td tornado (find within the frame of one day)
!tw tornado (find within the frame of one week)
!tm tornado (find within the frame of one month)
!ty tornado (find within the frame of one year)

site:URL Lorem ipsum (limit search within a domain or URL)

Redirect Options:

!g Paris (Google Text Search)
!gi Paris (Google Images)
!gv Paris (Google Videos)
!gm Paris (Google Maps)

!b Paris (Bing Text Search)
!bi Paris (Bing Images)
!bv Paris (Bing Videos)
!bm Paris (Bing Maps)

You may also use '&' in place of '!'.