Perhaps you should try some spelling variations:
allgemein » allgemeinen, allgemeiner
allgemeinese » allgemeinenese, allgemeinerese, allgemeinere, allgemeinse, allgemeineren, allgemeinene
allgemeines » allgemeinenes, allgemeineres, allgemeinen
allgemeine » allgemeinene, allgemeinere

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