Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
inflation target » inflation targeting, inflation rate, inflation rates
technology gaps » technology gap
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
target rice » target price, target prices, target rate
l afrique » en afrique
rice 3.2 » price 3.2, rice 3.1, rice 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology gaps inflation target rice 3.2 communication costs _ developpement l afrique.*.