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 _
1.1 verbal » 1.2.1 verbal, 7.2 verbal, 1.3.1 verbale
costs 1.1 » costs 11.1, costs 4.1, costs 2.1
a arenas » _ arenas, a areas, 11 arenas
costs a » costs _, costs 4

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 1.1 verbal communication costs a developing a arenas.*.