Perhaps you should try some spelling variations:
3.4.1 communication » 3.4.2 communication, 3.4.4 communication, 9.4.1 communication
technological open » technological model, technological power, technological options
amy developpement » au developpement, de developpement, le developpement
innovation rate » innovation race, innovation create, innovation state
developpement l » developpement il, developpement la, developpement de
costs amy » costs a
l afrique » en afrique
eu 3.4.1 » eu 3.2.1, ceu 3.4.2, gec 3.4.1

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

• Adding a wildcard symbol may retrieve word variants: technological open innovation rate eu 3.4.1 communication costs amy developpement l afrique.*.