Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
technology than » technology tax, technology trap, technology change
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
than tradition » asian tradition, a tradition, la tradition
tradition aid » traditional aid, tradition und, tradition a
programs 3 » programs _, programs a, programs 1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology than tradition aid programs 3 communication costs 4 developpement en afrique.*.