Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
did communication » de communication, daily communication, rapid communication
innovation rates » innovation rate, innovation notes, innovation race
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
rates data » rate data, states data, cases data
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 rates data did communication costs 4 developpement en afrique.*.