Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology trade » technology trends, technology transfer, technology transfers
4 communications » 14 communications, 4 communication, 2 communications
le developpement » de developpement, sme development
trade inflation » grade inflation, trade insulation, rate inflation
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
costs le » costs _, costs 4, costs a
space 4 » space _, space a, space 1

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation _ space 4 communications costs le developpement l afrique.*.