Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
choice information » price information, change information, device information
technology choice » technology change
information rates » information states, information ratio, information rules
1 communications » 10 communications, 14 communications, 1 communication
developpement et » developpement des, developpement de, development east
rates trade » states trade, rules trade, wages trade
et afrique » en afrique, l afrique
trade 1 » trade _, trade a, trade 4

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology choice information rates trade 1 communications costs _ developpement et afrique.*.