Summary of Phrase module option interactions

You should only use one Phrase module in any given search interface and set all of your options in it.

The three configuration settings for the Phrase module can be used in a variety of combinations for different effects. The following matrix describes the behavior of each combination. You should only use one Phrase module in any given search interface and set all of your options in it.

Subphrase	Approximate	Expansion	Behavior
Off	Off	Off	Default. Ranks results into two strata: those that match the user's query as a whole phrase, and those that do not.
Off	Off	On	Ranks results into two strata: those that match the original, or an extended version, of the query as a whole phrase, and those that do not.
Off	On	Off	Ranks results into two strata: those that match the original query as a whole phrase, and those that do not. Look only at the first possible phrase match within each record.
Off	On	On	Ranks results into two strata: those that match the original, or an extended version, of the query as a whole phrase, and those that do not. Look only at the first possible phrase match within each record.
On	Off	Off	Ranks results into N strata where N equals the length of the query and each result's score equals the length of its matched subphrase.
On	Off	On	Ranks results into N strata where N equals the length of the query and each result's score equals the length of its matched subphrase. Extend subphrases to facilitate matching but rank based on the length of the original subphrase (before extension).
On	On	Off	Ranks results into N strata where N equals the length of the query and each result's score equals the length of its matched subphrase. Look only at the first possible phrase match within each record.
On	On	On	Ranks results into N strata where N equals the length of the query and each result's score equals the length of its matched subphrase. Expand the query to facilitate matching but rank based on the length of the original subphrase (before extension). Look only at the first possible phrase match within each record.