mysql fulltext search searching simple words like "part a" -

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i building database store answers of questions, answer, tag, tagmap, 3 tables. answer record can have multiple tags used searching. tagmap linking answer , tag. application lets user input string search, e.g. "2014 math part a". used explode in php split string array, make sql statement, keyword like. doing , records returned. proper way search corresponding answer records. sorry english!

you should ignore inputs short, eg less 3 chars. awould ignored aaa search for. should exclude common words "with no meaning" the in english or der, die, das in german.

so if user enters 2014 math part a search 2014, math , part.

also should think giving user possible select tags reduce amount of answers in search keywords before "expansive" like %keyword%search.


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