Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
voice communications » mobile communications, guinea communications, online communications
technologien fur » technologien des, technologien und, technologies 2
information case » information based, information can, information costs
fur information » zur information, fair information, your information
developing east » development east, developing a, developing asia
east accessed » last accessed, east successes, all accessed
4 developing » 3 developing
d voice » _ voice, a voice, 5 voice
costs 4 » costs _, costs a, costs 4.2
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technologien fur information case d voice communications costs 4 developing east accessed.*.