the word sea, also as a part of another word ( "search" for example)
sea and bird
both the word sea and the word bird
sea not bird
the word sea but do not contain the word bird
The word order doesn't matter.
You can also combine different search methods. If you search for sea and bird not gull you'll find all the pages that contain both sea and bird but doesn't contain gull (a page with seagull won´t be displayed)
