Perhaps you should try some spelling variations:
informations centres » information centres, information centre, information centers
otras communication » optical communication, towards communication, actors communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
7.3 developing » 3.3 developing, 1.3 developing, 2.2 developing
developing a » developing _
centres de » centre de, centres _
costs 7.3 » costs 2.3, costs 4.3, costs 5.3
de otras » de otros, y otras, 3 otras
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations centres de otras communication costs 7.3 developing a africa.*.