Perhaps you should try some spelling variations:
oral communication » personal communication
information data » information d820, information database, information databases
developpement et » developpement des, developpement de, development east
communication 5 » communication _, communication a, communication 3
a developpement » au developpement, de developpement, le developpement
technologies 1 » technologies _, technologies 4, technologies 2
et afrique » en afrique, l afrique
data use » data used, data usage, data und
use oral » use rural, ashe oral

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information data use oral communication 5 a developpement et afrique.*.