Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
informal 2 » informal _, informal a, informal 4.2
areal case » areas case, real case, area case
costs au » costs a, costs amy, costs _
2 areal » 2 real, _ areal, 2 areas

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

• Adding a wildcard symbol may retrieve word variants: technology from informal 2 areal case communication costs au developpement en afrique.*.