AND (&)Finds documents containing all of the specified words or phrases. 'School' AND 'Education' finds documents with both the word 'School' and the word 'Education'.
OR (|)AND Finds documents containing at least one of the specified words or phrases. 'School' OR 'Education' finds documents containing either 'School' OR 'Education'. The found documents could contain both items, but not necessarily.
NOT (&!) Excludes documents containing the specified word or phrase. 'School' AND NOT 'Education' finds documents with 'School' but not containing 'Education'. NOT must be used with another operator, like AND.
NEAR (˜) Finds documents containing both specified words or phrases within 50 words of each other.
