Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
et communications » et communication, et communicatione, 10 communications
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
1 developing » 3 developing, 4 developing, 2 developing
developing 1 » developing _, developing a, developing e
centers 3 » centers _, centers a, centers 3.3
costs 1 » costs _, costs 4, costs a
3 et » 13 et, 3 fet, 3 set

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information centers 3 et communications costs 1 developing 1 africa.*.