Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
rural communications » oral communication, rural telecommunications, cultural communications
information context » information content, information contents, information centers
technologien ad » technologien am, technologien und, technologien als
12.3 developing » 1.3 developing, 12.4 developing, 2.3 developing
ad information » d information, nd information, od information
costs 12.3 » costs 2.3, costs 12.4, costs 14.3
context 4 » context 3, context 1, context 2
4 rural » a rural, 2 rural

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information context 4 rural communications costs 12.3 developing _ africa.*.