Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information kontext » information content, information contents, information centers
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
der verbal » des verbal, der verbalen, der verband
costs 1.5 » costs 3.5, costs 2.5, costs 4.5

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

• Adding a wildcard symbol may retrieve word variants: technologien des information kontext der verbal communication costs 1.5 developing _ africa.*.