Perhaps you should try some spelling variations:
"verbindungen allgemeine" » "erkrankungen allgemeine", "zeichnungen allgemeine", "bestimmungen allgemeine"
"anwendungen allgemeines" » "anwendungen allgemeine", "anwendung allgemeine", "trennungen 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: (("verbindungen allgemeine") OR ("anwendungen allgemeines"))*.
• Removing quotes may allow a broader search: (( verbindungen allgemeine ) or ( anwendungen allgemeines ))*.