Perhaps you should try some spelling variations:
rural communications » oral communication, rural telecommunications, cultural communications
communications costs » communication costs, communications _
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
4 developing » 3 developing
contents 4 » contents 1, contents _, contents i
4 rural » a rural, 2 rural
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: technologien nd information contents 4 rural communications costs 4 developing _ africa.*.