Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
et developpement » de developpement, le developpement, test development
developpement du » developpement de, developpement des, developpement et
technology die » technologie die, technology does, technology 4ir
die inflation » does inflation, der inflation, price inflation
rate trade » trade trade, water trade, state trade
du afrique » en afrique, l afrique, de l'afrique
trade 3.1 » trade 3.2, trade 4.1, trade 2.1
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 die inflation rate trade 3.1 communications costs et developpement du afrique.*.