Perhaps you should try some spelling variations:
mail's depressive » mail's impressive, mild depressive, manisch depressive
eine aggressive » being aggressive, non aggressive, i aggressive
more aggressive » more expressive

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: (( mail's depressive disorder ) OR ( ((eine aggressive) OR (more aggressive)) disorders )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( mail's depressive disorder ) or ( ((eine aggressive) OR (more aggressive)) disorders ))".
• Adding a wildcard symbol may retrieve word variants: (( mail's depressive disorder ) or ( ((eine aggressive) OR (more aggressive)) disorders ))*.