Perhaps you should try some spelling variations:
4.6 communication » 4.1 communication, 7.6 communication, 11.6 communication
technology trade » technology trends, technology transfer, technology transfers
regulation layer » regulation labor, regulation law, regulation after
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
layer prices » lower prices, water prices, labour prices
prices 4.6 » prices 4.2, prices 4.9, prices 6.6
l afrique » en afrique
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 trade regulation layer prices 4.6 communication costs et developpement l afrique.*.