Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information content » information contents, information centers, information centre
13 communications » 13 communication, 10 communications, 14 communications
2.2 development » 3.2 development, 2.3 development, 4.2 development
technologies a » technologies _, technologies 4, technologies 2
development em » development eco, development 1, development 11
a information » 2 information, 1 information
content 10 » content 1, context 10, content 14
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
em africa » 1 africa
10 13 » 10 11, 10 12, 11 13

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

• Adding a wildcard symbol may retrieve word variants: technologies a information content 10 13 communications costs 2.2 development em africa.*.