Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
technologien des » technologien fur, technologien und, technologies 2
developing intra » developing data, developing ict, developing interbank
des information » des informations, does information, dis information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
intra africa » intra african, internal africa, central africa
und virtual » 3d virtual
costs 7.3 » costs 2.3, costs 4.3, costs 5.3

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

• Adding a wildcard symbol may retrieve word variants: technologien des information _ und virtual communication costs 7.3 developing intra africa.*.