Philipp wrote:
Even after researching I couldn't find settings for varying systemside search criteria (lists of stopwords or the mentioned length problem). Where do I have to look?
http://dev.mysql.com/doc/mysql/en/fulltext-fine-tuning.html
If you are using MySQL 3.x, you may also have to tweak $wgDBminWordLen and the copy of the stopword list in FulltextStoplist.php.
-- brion vibber (brion @ pobox.com)