Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing last » developing east, developing waste, developing based
information 2 » information 3
last accessed » all accessed
a developing » a development
2.1 device » 2.1 service, 2 device
costs a » costs _, costs 4
2 2.1 » b 2.1, _ 2.1, a 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2 2.1 device communication costs a developing last accessed.*.