Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
developing state » developing states, developing stable, developing strategy
4 developing » 3 developing
state africa » trade africa
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 des informations _ new verbal communication costs 4 developing state africa.*.