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

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 informationsmaterial ).
• Adding a wildcard symbol may retrieve word variants: ( (informationsmanager or informationsmangel) or informationsmaterial )*.