Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
nets communications » nets communication, les communications, nps communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing 11 » developing _, developing a, developing e
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
11 africa » 11 african, 1 africa, 1.1 african
costs 4 » costs _, costs a, costs 4.2
3 nets » 3 news, 3 nees, a nets

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

• Adding a wildcard symbol may retrieve word variants: technologien des information centers 3 nets communications costs 4 developing 11 africa.*.