Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
inflation target » inflation targeting, inflation rate, inflation rates
du developpement » de developpement, le developpement, et developpement
technology gaps » technology gap
developpement l » developpement il, developpement la, developpement de
gaps inflation » has inflation, grade inflation, rapid inflation
target prices » target price, market prices, asset prices
prices 2.1 » prices 2.4, prices 2.3, prices 3.1
l afrique » en afrique
costs du » costs _, costs 4, costs a

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 prices 2.1 communication costs du developpement l afrique.*.