Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
developing cpia » developing china, developing asia, developing cil
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
4 developing » 3 developing
contents 3 » contents 1, contents _, contents i
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 information contents 3 data communications costs 4 developing cpia africa.*.