Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
innovation rates » innovation rate, innovation notes, innovation race
technological 3 » technological _, technological 3.5, technological art
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 innovation » 2 innovation
rates case » rates cape, states case, rates east
l afrique » en afrique
case 4.2 » case 4.1, case 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 3 innovation rates case 4.2 communication costs 4 developpement l afrique.*.