Check spelling

Use multiple words
Example: a visitor to Botswana

Use similar words
Example: publications documents papers

Use appropriate capitalization
Example: Search Template Reference

Use quotation marks
Example: "The United Nations country team"

Use plus (+) or minus (-)
Example: +"UNFPA UNAIDS"

Use field searches
Examples:
title:about
desc:"Our Team"
keys:organisations
body:children
alt:"join now"
url:help

Use wildcards
Examples:
wh*
"wh* are"
415-*-*