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

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