Perhaps you should try some spelling variations:
"manisch depressive disorder" » "manic depressive disorder"
"build massive disorder" » "build native disorder", "build massively disordered", "build obsessive disorder", "based massive disorder", "build machine disorder", "und massive disorder"

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: (("manisch depressive disorder") OR ("build massive disorder")).
• Removing quotes may allow a broader search: (( manisch depressive disorder ) or ( build massive disorder )).
• Adding a wildcard symbol may retrieve word variants: (("manisch depressive disorder") or ("build massive disorder"))*.