Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology choice » technology change
choice inflation » choice information, price inflation
developpement et » developpement des, developpement de, development east
inflation rates » inflation rate
a developpement » au developpement, de developpement, le developpement
rates trade » states trade, rules trade, wages trade
et afrique » en afrique, l afrique
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 choice inflation rates trade _ communications costs a developpement et afrique.*.