Perhaps you should try some spelling variations:
allgemein » allgemeinen, allgemeines
allgemeine » allgemeinene, allgemeinese
allgemeinesere » allgemeinenesere, allgemeinesesere, allgemeinere, allgemeinerer, allgemeines
allgemeiner » allgemeinener, allgemeineser, allgemeinen, allgemeines

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 (allgemein OR (allgemeine OR (allgemeinesere OR allgemeiner))).
• Adding a wildcard symbol may retrieve word variants: bildung (allgemein or (allgemeine or (allgemeinesere or allgemeiner)))*.