Combine these operators to build an efficient search equation
word1 OR word2
at least one of the words
+word1 +word2
all the words
word1 -word2
word1 but not word2
"phrase"
the exact phrase
~word
the word in an approximate manner
word1*word2
separated by a number of word equivalent to the number of stars
number1..number2
number range specification
site:site
in one specific site
site:domain
in one specific domain
intitle:word and allintitle:"word1 word2"
one or more specified words contained in the page title (<TITLE> tag)
intext:word and allintext:"word1 word2"
one or more specified words contained in the page HTML body
inanchor:word and allinanchor:"word1 word2"
one or more specified words contained in the page links
define:word
define:"word1 word2"
definition of the specified word(s)
filetype:type
a specified file type (pdf, ppt, doc…)
source:media
in a specified media indexed