Perhaps you should try some spelling variations:
informationsmangel » informationsmanager, informationsmittel, 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: (( informationsmangel OR informationsmanagement ) OR innovationsmanager ).
• Adding a wildcard symbol may retrieve word variants: (( informationsmangel or informationsmanagement ) or innovationsmanager )*.