Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology choice » technology change
choice inflation » choice information, price inflation
4 communications » 14 communications, 4 communication, 2 communications
a developpement » au developpement, de developpement, le developpement
inflation das » inflation bias, inflation tax, inflation a
des afrique » en afrique, de l'afrique
das trade » gas trade, tas trade, has trade
trade 4 » trade _, trade a
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 das trade 4 communications costs a developpement des afrique.*.