Perhaps you should try some spelling variations:
technological chain » technological change, technological choice, technological gains
chain innovation » chain integration, open innovation, green innovation
et developpement » de developpement, le developpement, test development
4 communication » 3 communication, 5.4 communication, de communication
innovation als » innovation a, innovation 1, innovation 4
des afrique » en afrique, de l'afrique
als case » als care, goals case, sales case
costs et » costs _, costs 4, costs a
case 4 » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technological chain innovation als case 4 communication costs et developpement des afrique.*.