Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
technologies 2.1 » technologies _, technologies 4, technologies a
4 communications » 14 communications, 4 communication, 2 communications
2.1 information » 3.1 information
developing cpia » developing china, developing asia, developing cil
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
costs 1.3 » costs 12.3, costs 14.3, costs 15.3

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 content _ 4 communications costs 1.3 developing cpia africa.*.