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
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
have 6.2 » have 5.3, have 9.1, have co2
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: technological trade innovation rates have 6.2 communication costs a developpement l afrique.*.