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

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 ( innovationsmanager OR innovationsmanagements )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( informationsmanager or ( innovationsmanager OR innovationsmanagements ))".
• Adding a wildcard symbol may retrieve word variants: ( informationsmanager or ( innovationsmanager OR innovationsmanagements ))*.