Perhaps you should try some spelling variations:
6.1 communication » 4.1 communication, 1.1 communication, 3.1 communication
developpement la » developpement de, developpement et, developpement du
information dar » information der, information data, information due
a developpement » au developpement, de developpement, le developpement
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
la afrique » l afrique, la fabrique, en afrique
dar case » der case, our case, per case
case 6.1 » case 16.1, case 6.12, case 6.13
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 4.2 information dar case 6.1 communication costs a developpement la afrique.*.