Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
did communication » de communication, daily communication, rapid communication
innovation rate » innovation race, innovation create, innovation state
4 developpement » de developpement, le developpement, et developpement
des afrique » en afrique, de l'afrique
data did » data die, data disk, data do
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 open innovation rate data did communication costs 4 developpement des afrique.*.