Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
developed contents » developed content, developed contexts, development contents
contents assessing » context assessing, consensus assessing, contents harnessing
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
information i » information im, information 2, information 1
5.1 developed » 6.1 developed, 15.4 developed, 2.0 developed
costs 5.1 » costs 4.1, costs 2.1, costs 5.3
ii voice » ii voices, _ voice, a voice

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information i ii voice communication costs 5.1 developed contents assessing.*.