Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
2.3 development » 2 development, 2015 development, 1 development
development 2.1 » development 1
neo verbal » non verbal, des verbal
2.1 access » 1.1 access, 3.1 access, 5.1 access
costs 2.3 » costs 4.2, costs 4.4
case neo » case new, case npo, case n

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

• Adding a wildcard symbol may retrieve word variants: technologien als information case neo verbal communication costs 2.3 development 2.1 access.*.