Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
12 communication » 1 communication, 10 communication, 13 communication
developpement en » developpement et, developpement des, developpement de
innovation rate » innovation race, innovation create, innovation state
a developpement » au developpement, de developpement, le developpement
rate east » rates east, trade east, state east
east 12 » east 10
costs a » costs _, costs 4

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 east 12 communication costs a developpement en afrique.*.