The document provides examples of search operators and boolean logic that can be used to refine Google searches. It includes operators to search for specific words or phrases, number ranges, websites, file formats, and exclude terms. Examples are given to search for topics like "psychology and animals", the word "Vaticano", the phrase "Dutch language", terms including or excluding "global warming", and the words "post" and "syndrome" separated by one word. URLs are also listed for advanced Google search tools.

1. cheat sheet
Example Result: webpages with
psychology animals the words psychology and animals
“Vaticano” the exact word Vaticano
“Dutch language” the exact phrase Dutch language
“global warming” OR
“greenhouse effect”
the phrase global warming and/or the phrase greenhouse effect
post * syndrome the words post and syndrome separated by one word
salsa -dancing the word salsa, not the word dancing
Operator Meaning Example
##..## Search within number range “Kyoto protocol” 1990..2000
site:
Search specific website or
specific domain
“human rights” site:un.org
-site: Exclude website or domain “global warming” -site:wikipedia.org
filetype: Search specific file format “social media” filetype:pdf
-filetype Exclude specific file format psychology -filetype:xls
( ) Formulate complex queries Siberia (site:gov OR site:edu)
Google http://www.google.com/ncr
Google Advanced Search http://www.google.com/advanced_search
Google Books http://books.google.com/
Google Scholar http://scholar.google.com/