Google is a great resource for grey literature when used thoughtfully with operators.
|""||"best practice" tracheostomy||
Phrase searching. Searches for words in the order entered.
|+||wheelchair +skills||Includes specific word(s) in results.|
|-||"primary health care" -"primary care"||Excludes specific word(s) in results.|
|*||wheelchair * test||
Fills in missing word(s).
|...||cataract surgery $400...$1000||
Searches specific number range (years, prices, weights, etc.).
Locates items about cataract surgery prices between $400 and $1000.
Locates multiple words in body of search results.
|intext:||intext:social determinants of health||Locates single word or phrase in body of search results.|
Locates words in the title of search results.
|intitle:||intitle:social determinants of health||
Locates single word or phrase in title of search results.
Locates a definition for a word or phrase.
|filetype:||dementia guidelines filetype:pdf||
Searches by file types such as pdf, doc, ppt, etc.
|Searches by domain extension (.gov, .ca, .org, etc.), or within a specific website.|
|AROUND||Plavix AROUND 3 aspirin||Retrieves results that use the second word aspirin within so many words of the first word (in this example, results that use aspirin within three or fewer words of Plavix).|
Choice of Operator