If you have used a term with more than one meaning in a
query, you may generate a results list with documents that are not relevant to
your search even though they match the query term.
Minus Sign (-)
To exclude irrelevant documents from a search, you can use
the minus sign (-) as part of the query.
For example, if you are looking for
documents about employer-supplied benefits and a search for the term benefit produces a results list with a number of documents relating to
health benefits, you can exclude those documents by issuing the following
query: