Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
de communications » de communication, do communications, mce communications
technologies 4 » technologies _
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
4 information » 2 information, 1 information
developing a » developing _
centers how » center how, centers hold, century how
costs 2.3 » costs 4.2, costs 4.4
a africa » 1 africa, can africa, em africa
how de » how doe, how do, how ae

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 how de communications costs 2.3 developing a africa.*.