Perhaps you should try some spelling variations:
informationsmanager » informationsmangel, innovationsmanager, informationstrager
informationsempfanger » informationsmangel, informationstrager
informationsmittel » informationsmodell, informationsmaterial

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