Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
cell communications » cell communication, health communications, rural communications
developing concepts » development concepts, development concept, developing countries
information case » information based, information can, information costs
technologie und » technologies 2.1
und information » fund information, road information, award information
concepts access » contents access
2 developing » 3 developing, 4 developing, 2 development
costs 2 » costs 20, costs _, costs 4
case i » case 1, case 2, case 3
i cell » iv cell, _ cell, a cell

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

• Adding a wildcard symbol may retrieve word variants: technologie und information case i cell communications costs 2 developing concepts access.*.