Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
und transformations » und transformation, und transformationen, code transformations
communication cost » communication costs, communication costa, communications costs
technologie und » technologies 2.1
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing e » developing _, developing a, developing east
one device » code device, line device, any device
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
e real » 1 real, 4 real, 2 real

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

• Adding a wildcard symbol may retrieve word variants: technologie und transformations _ one device communication cost 2.2 developing e real.*.