Syntax:
word1 word2 word3 -- searches for documents containing ALL of the listed keywords
"word1 word2" -- searches for documents containing the specified
phrase, that is containing both word1 and word2 where word2
immediately follows word1
(word1 and not word2) or (word3 and word4) -- searches for documents for which
the specified boolean expression is true; please note that you can use the and, or,
not operators as well as parentheses
You can also use wildcard characters (? and *), e.g. entering
comput* will match all of the following words: computer, computers, computing.
Another example is *tribut? which will match words like: contribute, attribute.
Please note that you can mix the above syntax, e.g.: "word1
word2" or "word1 word3". Another example: "*ord?" and not
word1
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