Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
information based » information case, information bank, transformation based
technologien fur » technologien des, technologien und, technologies 2
fur information » zur information, fair information, your information
15.3 developing » 1.3 developing, 10.3 developing, 5.3 developing
costs 15.3 » costs 12.3, costs 14.3, costs 5.3
based die » basel die, based deep, based dm
die voice » cine voice, one voice

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information based die voice communication costs 15.3 developing _ sezs.*.