Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technological up » technological gap, technological _, technological gaps
innovation rates » innovation rate, innovation notes, innovation race
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
up innovation » 2 innovation, 3 innovation, 4 innovation
de afrique » de l'afrique, en afrique, l afrique
east 3.2 » east 9.3.2, east 12, east 2.1
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 up innovation rates east 3.2 communication costs 4 developpement de afrique.*.