Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
technology trade » technology trends, technology transfer, technology transfers
et developpement » de developpement, le developpement, test development
developpement il » developpement de, developpement et, developpement du
trade inflation » grade inflation, trade insulation, rate inflation
inflation do » inflation co, inflation der, inflation das
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
il afrique » 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 trade inflation do prices 2.3.1 communication costs et developpement il afrique.*.