Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
technology trade » technology trends, technology transfer, technology transfers
integration case » integration can, integration chapter, integration canada
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
case french » camps french, rates french, state french
french do » french _, french 5, french a
l afrique » en afrique
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 integration case french do communications costs 4 developpement l afrique.*.