Perhaps you should try some spelling variations:
informationsmanager » informationsmangel, informationstrager, informationsempfanger
informationsmanagement » innovationsmanagement
innovationsmanager » innovationsmanagement, innovationsmanagements

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: (( informationsmanager OR informationsmanagement ) OR innovationsmanager ).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( informationsmanager OR informationsmanagement ) or innovationsmanager )".
• Adding a wildcard symbol may retrieve word variants: (( informationsmanager OR informationsmanagement ) or innovationsmanager )*.