Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
informations based » information based, informational basis, informationsphase 1
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing a » developing _
die device » line device, fi device, edge devices
based die » basel die, based deep, based dm
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
a sezs » _ sezs, a ses

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations based die device communication costs 3.2 developing a sezs.*.