Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
information centers » information contents, information officers
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
developing can » developing a, developing ai, developing av
a developing » a development
centers 2.3 » center 2.3, centers 2.2, centers 2.8
2.3 mobile » 12.3 mobile, 2.1 mobile, 2.2 mobile
can africa » urban africa
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information centers 2.3 mobile communications costs a developing can africa.*.