TREX supports various kinds of text search, including exact search, boolean search, wildcard search, linguistic search ( grammatical variants are normalized for the index search ) and fuzzy search ( input strings that differ by a few letters from an index term are normalized for the index search ).
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To get both, just search for " Martin Luther ", but be aware that different search engines will optimize this differently ( Google will return primarily hits about Martin Luther, not MLK, because of the way it indexes terms ) .-- 24.147.86.187 23 : 51, 6 February 2007 ( UTC)