Perhaps you should try some spelling variations:
information needs » information networks
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
technologies 2 » technologies _, technologies 4
needs among » needed among, needs around, needs facing
among 3 » among _, among a, among 15
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 needs among 3 communication costs 4 developpement en afrique.*.