Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
innovation rates » innovation rate, innovation notes, innovation race
de developpement » sme development
technological 2 » technological _, technological 3.5, technological art
des afrique » en afrique, de l'afrique
rates case » rates cape, states case, rates east
case 3.2 » case 4.2, case 3.1, case 5.2
costs de » 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: technological 2 innovation rates case 3.2 communication costs de developpement des afrique.*.