Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
3 development » 2 development
africa areas » africa east, africa asia, africa autos
1 virtual » 11 virtual, 17 virtual, _ virtual
costs 1 » costs _, costs 4, costs a
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien als information costs 1 virtual communication costs 3 development africa areas.*.