Perhaps you should try some spelling variations:
technological der » technological model, technological power, technological meta
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
innovation rates » innovation rate, innovation notes, innovation race
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
der innovation » gender innovation, 2 innovation, 3 innovation
rates case » rates cape, states case, rates east
la afrique » l afrique, la fabrique, en afrique
case 3.1 » case 4.1, case 3.2, case 1
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technological der innovation rates case 3.1 communication costs et developpement la afrique.*.