Perhaps you should try some spelling variations:
3.4.4 communication » 3.4.1 communication, 3.4.2 communication, 12.4.4 communication
technological open » technological model, technological power, technological options
amy developpement » au developpement, de developpement, le developpement
innovation race » innovation rate, innovation space, innovation brac
developpement l » developpement il, developpement la, developpement de
costs amy » costs a
l afrique » en afrique
1 3.4.4 » 21 3.4.4, 1 3.3.4, 1 3.4.2
race 1 » race _, bace 1, rice 1

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 1 3.4.4 communication costs amy developpement l afrique.*.