Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
die integration » trade integration
4 communication » 3 communication, 5.4 communication, de communication
4 developpement » de developpement, le developpement, et developpement
technology die » technologie die, technology does, technology 4ir
3 trade » 1 trade, 4 trade, 2 trade
trade 4 » trade _, trade a
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology die integration 3 trade 4 communication costs 4 developpement en afrique.*.