By default, not all of the terms in a query are required to be in the sentence result (Boolean OR). To require that a search term appear in the sentence result, use the operator +. The + operator must immediately precede the query term, with no intervening white space, and there must be white space before the + operator, as in book +clubs.

Note that since ATG Search applies morphology and term expansion by default, the + operator applies to the explicit query index term plus all of its expansions. In order to require a literal term in the sentence results, use the double-quote operator with the + operator, as in the following example:

book +"clubs"

If the query includes multiple terms with the + operator, all of them must appear in each sentence result.

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