Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
series inflation » series isolation, series information, series infromation
inflation target » inflation targeting, inflation rate, inflation rates
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
target trade » target grade, market trade, target rate
trade 2.3 » trade 2.2, trade 2.1, trade 1.3
l afrique » en afrique
costs et » 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 series inflation target trade 2.3 communication costs et developpement l afrique.*.