Perhaps you should try some spelling variations:
"wirkung allgemeines" » "bewertung allgemeines", "ordnung allgemeines", "prufung allgemeines"
"bildern allgemeine" » "felder allgemeine", "bildung allgemein", "deren allgemeine"
"bayern allgemeine" » "basen allgemeine", "banken allgemeine", "bakterien allgemeine"

Try widening your search to All Fields.

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: (("wirkung allgemeines") OR ((("bildern allgemeine") OR ("bayern allgemeine")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"wirkung allgemeines\") or (((\"bildern allgemeine\") OR (\"bayern allgemeine\"))))".
• Removing quotes may allow a broader search: (( wirkung allgemeines ) or ((( bildern allgemeine ) OR ( bayern allgemeine )))).
• Adding a wildcard symbol may retrieve word variants: (("wirkung allgemeines") or ((("bildern allgemeine") OR ("bayern allgemeine"))))*.