Perhaps you should try some spelling variations:
6.12 communication » 6.2 communication, 6.1.3 communication, 3.2 communication
based information » basic information, based innovation, land information
information what » information war, information when, information wants
de developpement » sme development
developpement du » developpement de, developpement des, developpement et
du afrique » en afrique, l afrique, de l'afrique
what case » what came, what causes, what caused
case 6.12 » care 6.12, case 6.1, case 6.13
costs de » costs _, costs 4, costs a

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology based information what case 6.12 communication costs de developpement du afrique.*.