Perhaps you should try some spelling variations:
information centers » information contents, information officers
et communication » et communicatione, get communication, debt communication
developing areas » developing asia, developing east, developing a
technologies 2 » technologies _, technologies 4
3 developing » 3 development
areas africa » arabs africa, dress africa, farmers africa
centers 13 » centers 10, centers 3, centers 3.3
costs 3 » costs _, costs 4, costs a
13 et » 12 et

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information centers 13 et communication costs 3 developing areas africa.*.