Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology choice » technology change
choice inflation » choice information, price inflation
de developpement » sme development
inflation state » inflation starts, inflation rate, simulation state
state trade » states trade, states traded, slave trade
des afrique » en afrique, de l'afrique
costs de » costs _, costs 4, costs a

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 _ communications costs de developpement des afrique.*.