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
de developpement » sme development
developpement de » developpement des, developpement durable
technological 2 » technological _, technological 3.5, technological art
rates case » rates cape, states case, rates east
de afrique » de l'afrique, en afrique, l afrique
case 4.2 » case 4.1, case 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 4.2 communication costs de developpement de afrique.*.