Perhaps you should try some spelling variations:
trade information » price information, private information, trade integration
4.4 communication » 5.4 communication, 4.1 communication, 1.4 communication
technology trade » technology trends, technology transfer, technology transfers
information rate » information ratio, information related, information matter
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
rate case » state case, write case, rate caps
l afrique » en afrique
case 4.4 » case 4.1, case 4.2, case 2.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade information rate case 4.4 communication costs a developpement l afrique.*.