Perhaps you should try some spelling variations:
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
transition faces » tradition faces, transition cases, transition race
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
faces programs » access programs, aids programs, ams programs
technology la » technology law, technology lag, technology land
la transition » a transition
programs 3.1 » programs 2.1, programs 1, programs 2.2
de afrique » de l'afrique, en afrique, l afrique
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 la transition faces programs 3.1 communication costs 4 developpement de afrique.*.