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 des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing can » developing a, developing ai, developing av
4 developing » 3 developing
can africa » urban africa
centers 3 » centers _, centers a, centers 3.3
costs 4 » costs _, costs a, costs 4.2
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 des information centers 3 et communications costs 4 developing can africa.*.