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
developpement en » developpement et, developpement des, developpement de
inflation east » inflation das, inflation part, inflation rate
trade 4 » trade _, trade 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 east trade 4 communications costs _ developpement en afrique.*.