Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
information costs » information contents, information centers, information content
developed control » developing control, developed country, developed content
control assessed » contexts assessed, control access, control passeye
technologien 1 » technologies 1, technologien _, technologien 4
costs die » costs ii, costs iii, costs differ
die voice » cine voice, one voice

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

• Adding a wildcard symbol may retrieve word variants: technologien 1 information costs die voice communication costs _ developed control assessed.*.