Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 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
4 developpement » de developpement, le developpement, et developpement
du afrique » en afrique, l afrique, de l'afrique
what cash » what can, what cost, what each
cash 6.2 » case 6.2, cash 3.2, cash 4.1
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: technology case information what cash 6.2 communication costs 4 developpement du afrique.*.