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