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
technologie und » technologies 2.1
und information » fund information, road information, award information
developing asia » development asia, developing a
4 developing » 3 developing
costs die » costs ii, costs iii, costs differ
die voice » cine voice, one voice
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologie und information costs die voice communications costs 4 developing asia across.*.