Perhaps you should try some spelling variations:
aggressive disorders » depressive disorders, recessive disorders, aggressive diseases
being aggressive » eine aggressive, treating aggressive, non aggressive
mild depressive » sind depressive, die depressive, und depressive

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 ( being aggressive disorders )).
• Adding a wildcard symbol may retrieve word variants: (( mild depressive disorder ) or ( being aggressive disorders ))*.