Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
a developing » a development
developing a » developing _
contents 3 » contents 1, contents _, contents i
3 vertical » _ vertical, 6 vertical, 2 vertical
a arenas » _ arenas, a areas, 11 arenas
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents 3 vertical communication costs a developing a arenas.*.