Perhaps you should try some spelling variations:
technological chain » technological change, technological choice, technological gains
chain innovation » chain integration, open innovation, green innovation
developpement la » developpement de, developpement et, developpement du
innovation race » innovation rate, innovation space, innovation brac
2 communication » 3 communication, 4 communication, 1 communication
a developpement » au developpement, de developpement, le developpement
la afrique » l afrique, la fabrique, en afrique
race case » face case, france case, oracle case
costs a » costs _, costs 4
case 2 » case 1

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

• Adding a wildcard symbol may retrieve word variants: technological chain innovation race case 2 communication costs a developpement la afrique.*.