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
development gain » development again, development gains, development main
als information » als informations, aids information, laws information
4 development » 2 development, 4 developing
gain access » gaining access
costs a » costs _
a voice » _ voice
costs 4 » costs _, costs 4.2, costs 4.4

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 4 development gain access.*.