Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
author information » further information, other information, motor information
technology author » technologies authors, technology methods, technology south
information 3 » information 2
4 developing » 3 developing
developing 2 » developing _, developing a, developing e
und device » end device, und service, end devices
costs 4 » costs _, costs a, costs 4.2
2 areal » 2 real, _ areal, 2 areas
3 und » 13 und, 23 und, _ und

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

• Adding a wildcard symbol may retrieve word variants: technology author information 3 und device communication costs 4 developing 2 areal.*.