Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
development farmers » development former, development partners, development matters
information costs » information contents, information centers, information content
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
costs 4 » costs _, costs 4.2, costs 4.4
4 voice » 4 voices, _ voice, a voice
costs a » costs _

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 4 voice communication costs a development farmers access.*.