Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
de communication » mobile communication, online communication
au developpement » du developpement, de developpement, le developpement
innovation case » innovation based, innovation chapter, innovation center
developpement l » developpement il, developpement la, developpement de
case data » cases data, base data, use data
l afrique » en afrique
costs au » costs a, costs amy, costs _
data de » data den, data die, data do

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

• Adding a wildcard symbol may retrieve word variants: technological open innovation case data de communication costs au developpement l afrique.*.