Perhaps you should try some spelling variations:
technological trade » technological trends, technological arab, technological image
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
trade innovation » trade information, drive innovation, trade integration
innovation rates » innovation rate, innovation notes, innovation race
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
rates case » rates cape, states case, rates east
l afrique » en afrique
case 6.2 » case 6.12, case f6.2, case 4.2
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: technological trade innovation rates case 6.2 communication costs 4 developpement l afrique.*.