Perhaps you should try some spelling variations:
allgemeinere » allgemeiner, allgemeinen, allgemeines
allgemeineren » allgemeinern, allgemeinenn, allgemeinesn, allgemeinen, allgemeiner, allgemeines
allgemeinsere » allgemeiner, allgemeinste, allgemeinerer

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: bildung (allgemeine OR (allgemeinere OR (allgemeineren OR allgemeinsere)))*.