Perhaps you should try some spelling variations:
affecting management » effective management, affects management, affect management
affective management » effective management, defective management, active management
aspekte management » aspects management, aspect management, aspects management's

Try widening your search to All Fields.

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: %((((affecting management) OR (affective management))) OR (aspekte management))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((((affecting management) OR (affective management))) or (aspekte management))%22".
• Adding a wildcard symbol may retrieve word variants: %((((affecting management) OR (affective management))) or (aspekte management))%22*.