Perhaps you should try some spelling variations:
oral communication » personal communication
information data » information d820, information database, information databases
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
a developpement » au developpement, de developpement, le developpement
data den » data daten, data does, data do
den oral » den ort, new oral

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information data den oral communication 3 a developpement en afrique.*.