Perhaps you should try some spelling variations:
deux developpements » des developpements, de developpement, du developpement
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpements et » developpement et, developpement en, developpements de
technology trade » technology trends, technology transfer, technology transfers
inflation target » inflation targeting, inflation rate, inflation rates
trade inflation » grade inflation, trade insulation, rate inflation
target while » targets whole, target file, targets where
et afrique » en afrique, l afrique
while 2.7 » chile 2.1, chile 2.2, file 2.7

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

• Adding a wildcard symbol may retrieve word variants: technology trade inflation target while 2.7 communication a deux developpements et afrique.*.