Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
3 development » 2 development
africa across » africa cross, africa macro, asia across
costs a » costs _, costs 4
a voice » _ voice
costs 3 » costs _, costs 4, costs 5

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

• Adding a wildcard symbol may retrieve word variants: technologien als information costs a voice communication costs 3 development africa across.*.