Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
de communication » mobile communication, online communication
de developpement » sme development
innovation rate » innovation race, innovation create, innovation state
des afrique » en afrique, de l'afrique
costs de » costs _, costs 4, costs a
data de » data den, data die, data do

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technological open innovation rate data de communication costs de developpement des afrique.*.