Perhaps you should try some spelling variations:
information centers » information contents, information officers
technologies 2.1 » technologies _, technologies 4, technologies a
et communication » et communicatione, get communication, debt communication
2.1 information » 3.1 information
20 developing » 2 developing, 10 developing, 24 developing
centers 2 » centers 21, centers _, center 2
costs 20 » costs 60, costs 2.3, costs 2.1
2 et » 2 set, 12 et, 2 ets

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 2 et communication costs 20 developing _ africa.*.