Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
trade information » price information, private information, trade integration
technology trade » technology trends, technology transfer, technology transfers
4 communications » 14 communications, 4 communication, 2 communications
information can » information case, information 1, information 1.2
e developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
can french » a french, camps french, taken french
l afrique » en afrique
french 4 » french _, french 5, french a
costs e » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology trade information can french 4 communications costs e developpement l afrique.*.