Perhaps you should try some spelling variations:
allgemeinstes » allgemeinsten, allgemeinste, allgemeinster
allgemeinereeen » allgemeineren, allgemeinere, allgemeinerer
allgemeinesen » allgemeineren, allgemeinenen, allgemeinen

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 (allgemeinstes OR (allgemeinereeen OR allgemeinesen))).
• Adding a wildcard symbol may retrieve word variants: bildung (allgemeine or (allgemeinstes or (allgemeinereeen or allgemeinesen)))*.