Perhaps you should try some spelling variations:
informationsmanager » innovationsmanager, informationstrager, informationsmanagement
informationsmangel » informationsangebot, informationsmodell, informationsmedien
informationsempfanger » 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 informationsmangel) OR ( informationsempfanger OR informationsmittel )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( (informationsmanager OR informationsmangel) or ( informationsempfanger or informationsmittel ))".
• Adding a wildcard symbol may retrieve word variants: ( (informationsmanager OR informationsmangel) or ( informationsempfanger or informationsmittel ))*.