Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information centers » information contents, information officers
et communications » et communication, et communicatione, 10 communications
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
developing baga » developing data, developing biogas, developing based
14 developing » 4 developing, 1 developing, 10 developing
baga african » agoa african, bank african, bemba african
centers 3 » centers _, centers a, centers 3.3
costs 14 » costs 4, costs 1, costs 11.4
3 et » 13 et, 3 fet, 3 set

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 centers 3 et communications costs 14 developing baga african.*.