Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
14 communications » 10 communications, 14 communication, 4 communications
technology trade » technology trends, technology transfer, technology transfers
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
information a » information age, information about
french 14 » french _, french 5, french a
l afrique » en afrique
a french » _ french, a fresh
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 a french 14 communications costs 4 developpement l afrique.*.