Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
4 developing » 3 developing
developing a » developing _
und und » und un, und uns
costs 4 » costs _, costs a, costs 4.2
a areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations und und online communication costs 4 developing a areal.*.