Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information content » information contents, information centers, information centre
developing rural » developing real, development rural, developing halal
technologien 2 » technologies 2, technologien _, technologien 1
4 developing » 3 developing
rural africa » rural area
content new » contents new, context new, contexts new
new verbal » non verbal, des verbal
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien 2 information content new verbal communication costs 4 developing rural africa.*.