Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
technology trade » technology trends, technology transfer, technology transfers
developpement du » developpement de, developpement des, developpement et
trade inflation » grade inflation, trade insulation, rate inflation
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
rate file » case file, rate fee, rate firm
file 3.2 » cile 3.2, file 32, file 3.2.3
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 inflation rate file 3.2 communications costs a developpement du afrique.*.