Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology trade » technology trends, technology transfer, technology transfers
integration what » integrating what, interaction what, integration work
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
what trade » wheat trade, hat trade, what made
trade 2.7 » trade 2.2, trade 2.1, trade 4.7
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration what trade 2.7 communication costs a developpement l afrique.*.