Perhaps you should try some spelling variations:
transformation dar » transformation der, transformation das, transformation dual
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
dar case » der case, our case, per case
case 4.1 » case 4.2, case 1
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology _ transformation dar case 4.1 communication costs a developpement l afrique.*.