Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien ad » technologien am, technologien und, technologien als
information und » informations und
ad information » d information, nd information, od information
3.1 developing » 3.3 developing, 3.2 developing, 4.1 developing
developing a » developing _
des verbal » des verbalen, des verbs, models verbal
costs 3.1 » costs 3.5, costs 4.1, costs 2.1
a access » 2 access, 3 access, 4 access
und des » und der

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologien ad information und des verbal communication costs 3.1 developing a access.*.