Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information officers » information services
technologies 2.1 » technologies _, technologies 4, technologies a
a communications » a communication, data communications, a communicative
2.1 information » 3.1 information
11.4 developing » 1.4 developing, 12.4 developing, 10.4 developing
officers 4.3 » officers 3.9, officers _, office 2.3
developing a » developing _
costs 11.4 » costs 11.1, costs 11.7, costs 12.4
a africa » 1 africa, can africa, em africa
4.3 a » 4.3 _, 2.3 a, 4.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information officers 4.3 a communications costs 11.4 developing a africa.*.