Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
technologien des » technologien fur, technologien und, technologies 2
information 10.3 » information 1.3, information 10.4, information 14.3
des information » des informations, does information, dis information
1 developing » 3 developing, 4 developing, 2 developing
developing 4 » developing _, developing a, developing e
4 access » 2 access, 3 access
costs 1 » 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 des information 10.3 _ voice communication costs 1 developing 4 access.*.