Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
a developing » a development
developing a » developing _
11 verbal » 1.1 verbal, 10 verbale, _ verbal
costs 11 » costs 1, costs 11.1, costs 11.4
costs a » costs _, costs 4
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als information costs 11 verbal communication costs a developing a areas.*.