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

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: (( informationsempfanger OR innovationsmanager ) OR informationsmangel ).
• Adding a wildcard symbol may retrieve word variants: (( informationsempfanger or innovationsmanager ) or informationsmangel )*.