Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
der transformation » die transformation, zur transformation, energy transformation
technologie der » technologie de, technologien des, technologies de
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
des device » vs device, less devices, types device
costs 4 » costs _, costs a, costs 4.2
2 areal » 2 real, _ areal, 2 areas

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

• Adding a wildcard symbol may retrieve word variants: technologie der transformation _ des device communication costs 4 developing 2 areal.*.