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
developpement du » developpement de, developpement des, developpement et
technology case » technology based, technology can, technology change
information dar » information der, information data, information due
a developpement » au developpement, de developpement, le developpement
du afrique » en afrique, l afrique, de l'afrique
dar case » der case, our case, per case
case 6.2 » case 6.12, case f6.2, case 4.2
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 dar case 6.2 communication costs a developpement du afrique.*.