Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
10 communications » 10 communication, 14 communications, 2 communications
technology trade » technology trends, technology transfer, technology transfers
a developpement » au developpement, de developpement, le developpement
information 12 » information 1.2, information 2, information 1
des afrique » en afrique, de l'afrique
12 french » 2.2 french, 282 french, _ french
french 10 » french 2.0, french _, french 5
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 12 french 10 communications costs a developpement des afrique.*.