Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
case information » care information, based information, phase information
information what » information war, information when, information wants
developpement de » developpement des, developpement durable
technology case » technology based, technology can, technology change
a developpement » au developpement, de developpement, le developpement
de afrique » de l'afrique, en afrique, l afrique
what case » what came, what causes, what caused
case 4.2 » case 4.1, case 2
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 case information what case 4.2 communication costs a developpement de afrique.*.