Perhaps you should try some spelling variations:
technological gains » technological gaps, technological basis, ecological gains
gains innovation » chains innovation, chains innovations, basics innovation
3 communication » 4 communication, de communication, data communication
innovation als » innovation a, innovation 1, innovation 4
des afrique » en afrique, de l'afrique
als case » als care, goals case, sales case
case 3 » case 1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technological gains innovation als case 3 communication costs _ developpement des afrique.*.