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

Try widening your search to All Fields.

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: ("innovationsmanager" OR ("informationsmangel" OR "informationsmanager")).
• Removing quotes may allow a broader search: ( innovationsmanager or ( informationsmangel or informationsmanager )).
• Adding a wildcard symbol may retrieve word variants: ("innovationsmanager" or ("informationsmangel" or "informationsmanager"))*.