Perhaps you should try some spelling variations:
oral communication » personal communication
la developpement » le developpement, de developpement, et developpement
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
variation 6 » variation _, variations _, variation des
did oral » did local, did arab, i oral
6 did » 6 die, _ did, 7 did
3 la » 3 a, a la, _ la
typologie » typologies, typology

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie des variation 6 did oral communication 3 la developpement ((l afrique) OR (en afrique)).~".
• Adding a wildcard symbol may retrieve word variants: typologie des variation 6 did oral communication 3 la developpement ((l afrique) OR (en afrique)).*.