Perhaps you should try some spelling variations:
series innovation » series information, service innovation
au developpement » du developpement, de developpement, le developpement
developpement il » developpement de, developpement et, developpement du
2 communication » 3 communication, 4 communication, 1 communication
model case » model based, model code, model can
il afrique » l afrique, en afrique
costs au » costs a, costs amy, costs _
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: technology series innovation model case 2 communication costs au developpement il afrique.*.