Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
inflation target » inflation targeting, inflation rate, inflation rates
a developpement » au developpement, de developpement, le developpement
technology gap » technology 1, technology 2.2, technology 3
gap inflation » has inflation, grade inflation, rapid inflation
target rice » target price, target prices, target rate
des afrique » en afrique, de l'afrique
rice 3.2 » price 3.2, rice 3.1, rice 3.3
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 gap inflation target rice 3.2 communications costs a developpement des afrique.*.