Perhaps you should try some spelling variations:
"bildern allgemeine" » "bayern allgemeine", "deren allgemeine", "basen allgemeine"
"fehler allgemeiner" » "einer allgemeinen", "oder allgemeiner", "erster allgemeiner"
"felder allgemeine" » "feld allgemeine", "filter allgemeines", "der 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: (((("bildern allgemeine") OR ("bildung allgemein"))) OR ((("felder allgemeine") OR ("fehler allgemeiner")))).
• Removing quotes may allow a broader search: (((( bildern allgemeine ) or ( bildung allgemein ))) or ((( felder allgemeine ) or ( fehler allgemeiner )))).
• Adding a wildcard symbol may retrieve word variants: (((("bildern allgemeine") or ("bildung allgemein"))) or ((("felder allgemeine") or ("fehler allgemeiner"))))*.