Perhaps you should try some spelling variations:
information centers » information contents, information officers
oid communication » good communication, oecd communications, rapid communication
11.7 developing » 11.5 developing, 12.7 developing, 11.7.4 developing
technologies 2 » technologies _, technologies 4
developing 1 » developing _, developing a, developing e
centers des » centre des, centers case, centers help
costs 11.7 » costs 11.1, costs 11.4, costs 1.1.3
des oid » des odd, des oil, des oecd

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 des oid communication costs 11.7 developing 1 africa.*.