Search terms help
airplane
will find all documents that contain the word airplane.
You can use the operators and and or in searching. Without these operators the search will assume you're and'ing the words together.
airplane engine
will find all documents that contain both the words airplane and engine.
airplane and engine
The same thing as airplane engine
airplane or engine
will find all documents that contain either of the words.
The not operator reverses the results of a search.
not airplane
will find all documents that do not contain the word airplane.
Use quotes to match a specific phrase
"airplane engine"
will find all documents that contain the phrase airplane engine. A page the contains airplane and engine but not next to each other will not be shown.
Parentheses can be used to group searches.
(airplane or engine) and repair
will find all documents that contain repair plus either airplane or engine.
not (airplane or engine)
will find all documents that contain either airplane or engine but not both.
You can use * to match a partial word
engine*
finds pages with "engines", "engineer","engineers", "engineering" etc. along with "engine".