Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
landscape usage » landscape change, landscape manage, landscape scale
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technologies 2 » technologies _, technologies 4
usage 6.2 » usage 3.2, usage 2.2, usage 4.2
l afrique » en 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: technologies 2 education landscape usage 6.2 communication costs a developpement l afrique.*.