Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information kontext » information content, information contents, information centers
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
4.5 developing » 1.5 developing, 4.1 developing, 5.5 developing
der verbal » des verbal, der verbalen, der verband
costs 4.5 » costs 4.2, costs 4.4, costs 3.5

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information kontext der verbal communication costs 4.5 developing _ africa.*.