Perhaps you should try some spelling variations:
information networks » information needs
developpement de » developpement des, developpement durable
4 communication » 3 communication, 5.4 communication, de communication
a developpement » au developpement, de developpement, le developpement
technologies 4 » technologies _
networks going » networks using, networks joining, networks making
4 information » 2 information, 1 information
de afrique » de l'afrique, en afrique, l afrique
going 4 » going _, doing 4, going 1
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: technologies 4 information networks going 4 communication costs a developpement de afrique.*.