Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
de developpements » des developpements, de developpement, deux developpements
developpements de » developpement de, developpement des, developpement du
1 communications » 10 communications, 14 communications, 1 communication
die integration » trade integration
technology die » technologie die, technology does, technology 4ir
integration we » integration wie, integration wage, integration wege
we trade » e trade, die trade, one trade
costs de » costs _, costs 4, costs a
trade 1 » trade _, trade a, trade 4

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

• Adding a wildcard symbol may retrieve word variants: technology die integration we trade 1 communications costs de developpements de l'afrique.*.