MatchPartialMax mode is a variant of the MatchAllPartial mode: MatchAll results are returned if they exist.

If no such MatchAll results exist, then results matching all but one terms are returned; otherwise, results matching all but two terms are returned; and so forth.

MatchPartialMax mode is subject to the Match at least and Omit at most settings used in the MatchPartial mode. Hence, a MatchPartialMax result set includes results if (and only if) the corresponding MatchPartial result set includes results, and it contains a subset of the MatchPartial results (possibly the entire set).