Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
integrated class » integrated care, integrated land, integrated cost
3 communication » 4 communication, de communication, data communication
a developpement » au developpement, de developpement, le developpement
class base » class based, class case
costs a » costs _, costs 4
base 3 » base _, case 3, base 4

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

• Adding a wildcard symbol may retrieve word variants: technology transfer integrated class base 3 communication costs a developpement en afrique.*.