Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology choice » technology change
choice inflation » choice information, price inflation
a communications » a communication, data communications, a communicative
developpement il » developpement de, developpement et, developpement du
inflation state » inflation starts, inflation rate, simulation state
a developpement » au developpement, de developpement, le developpement
state trade » states trade, states traded, slave trade
il afrique » l afrique, en afrique
trade a » trade _
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 state trade a communications costs a developpement il afrique.*.