Perhaps you should try some spelling variations:
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
information when » information what, information war, information wants
developpement de » developpement des, developpement durable
4 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
when faced » when face
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: technologies 2 information when faced 3.5 communication costs 4 developpement de afrique.*.