Perhaps you should try some spelling variations:
information centers » information contents, information officers
trade information » price information, private information, trade integration
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technology trade » technology trends, technology transfer, technology transfers
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
centers case » center case, century case, centers can
l afrique » en afrique
case 5.2 » case 4.2, case 3.2, case 2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology trade information centers case 5.2 communication costs 4 developpement l afrique.*.