Perhaps you should try some spelling variations:
12.4.1 communication » 11.4.1 communication, 12.4.4 communication, 6.2.4.1 communication
information wants » information war, information what, information when
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
roles 12.4.1 » roles 14.4.3, roles 4.1, role 4.4.1
wants roles » parents roles
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 _ information wants roles 12.4.1 communication costs a developpement en afrique.*.