Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
developing estate » developing state, developing states, developing stable
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information a » information age, information about
estate africa » state africa, states african, status africa
4 developing » 3 developing
des verbal » des verbalen, des verbs, models verbal
costs 4 » costs _, costs a, costs 4.2
a des » a der, a das

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologien des information a des verbal communication costs 4 developing estate africa.~.
• Adding a wildcard symbol may retrieve word variants: technologien des information a des verbal communication costs 4 developing estate africa.*.