Perhaps you should try some spelling variations:
"build depressive disorders" » "build impressive disorders", "und depressive disorders", "bei depressive disorders"
"mild depressive disorder" » "sind depressive disorder", "die depressive disorder", "und depressive 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: (("mild depressive disorder") OR ("build depressive disorders")).
• Removing quotes may allow a broader search: (( mild depressive disorder ) or ( build depressive disorders )).
• Adding a wildcard symbol may retrieve word variants: (("mild depressive disorder") or ("build depressive disorders"))*.