Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
information costs » information contents, information centers, information content
technologien fur » technologien des, technologien und, technologies 2
developing based » development based, developing asia, developing east
fur information » zur information, fair information, your information
based accessed » based access, last accessed
4 developing » 3 developing
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 fur information costs a voice communications costs 4 developing based accessed.*.