Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
2.3 communication » 3.2 communication, de communication, 4 communication
developpement et » developpement des, developpement de, development east
innovation race » innovation rate, innovation space, innovation brac
race rates » rates rates, frame rates, wage rates
et afrique » en afrique, l afrique
rates 2.3 » rates 12.3, rates 4.3, rate 2.3

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

• Adding a wildcard symbol may retrieve word variants: technological open innovation race rates 2.3 communication costs _ developpement et afrique.*.