Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
case information » care information, based information, phase information
information what » information war, information when, information wants
developpement du » developpement de, developpement des, developpement et
technology case » technology based, technology can, technology change
a developpement » au developpement, de developpement, le developpement
what caused » what causes
caused 3.2 » causes 3.2, cause 3.3, cause 3.5
du afrique » en afrique, l afrique, de l'afrique
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 caused 3.2 communication costs a developpement du afrique.*.