Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
information costs » information contents, information centers, information content
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
developing last » developing east, developing waste, developing based
last accessed » all accessed
4 developing » 3 developing
costs 2 » costs 20, costs _, costs a
2 voice » _ voice, a voice, 5 voice
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information costs 2 voice communication costs 4 developing last accessed.*.