Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
technologien des » technologien fur, technologien und, technologies 2
information case » information based, information can, information costs
des information » des informations, does information, dis information
3 development » 2 development
development 4 » development 1
3 device » 3 devices, _ device, a device
4 access » 2 access, 3 access
costs 3 » costs _, costs 4, costs a
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technologien des information case 3 device communication costs 3 development 4 access.*.