Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
14 communications » 10 communications, 14 communication, 4 communications
technologies 2 » technologies _, technologies 4
development em » development eco, development 1, development 11
3 development » 2 development
centers case » center case, century case, centers can
em africa » 1 africa
case 14 » case 1.4, cases 14, case 1
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers case 14 communications costs 3 development em africa.*.