Perhaps you should try some spelling variations:
"manisch depressive disorders" » "manisch depressive disorder", "manic depressive disorders"
"build recessive disorders" » "build responsive disorders", "build depressive disorder", "build impressive disorders", "build accessible disorders"

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