Perhaps you should try some spelling variations:
information centers » information contents, information officers
use communication » une communication, de communication, causes communication
technologies 4 » technologies _
4 information » 2 information, 1 information
developing eq » developing e, developing egg, developing _
4 developing » 3 developing
centers 3 » centers _, centers a, centers 3.3
eq africa » em africa, eu africa, 1 africa
costs 4 » costs _, costs a, costs 4.2
3 use » _ use, 2 use, 4 use

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information centers 3 use communication costs 4 developing eq africa.*.