Query 

Example

Description

Any term

Industrial building

Match one or more terms. Adjacent terms and phrases are implicitly joined with AND

AND

Industrial AND Building

Matches documents containing both the term industrial and the term building. AND is the default way to combine words and phrases so is equivalent to industrial building

" "

"Industrial Building"

Terms in double quotes are treated as a phrase. Adjacent terms and phrases are implicitly joined with AND. If the exact phrase is not found, no results will be returned

OR

Industrial OR Building

Match either of two queries. The example matches documents containing at least one of either term

( )

(Industrial OR building) laboratory?

Parentheses indicate grouping. The example matches documents containing at least one of the terms industrial or building, and also contain the term laboratory

NEAR

(industrial OR building) NEAR laboratory

At least one of the terms industrial or building within 10 terms of the word laboratory

NEAR/N

Industrial NEAR/15 building

Find documents containing matches to the queries on either side of the NEAR operator when the matches occur within N terms of each other, in this example N=15

NOT_IN

Industrial NOT_IN building

Match one query when the match does not overlap with another. The example matches occurrences of industrial when it is not in the phrase industrial building

-query

Industrial -building

A NOT operation.  For example, industrial -building matches documents containing the term industrial but do not contain the term building