Perhaps you should try some spelling variations:
oral communication » personal communication
du developpement » de developpement, le developpement, et developpement
communication 5 » communication _, communication a, communication 3
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
does oral » does formal, does oil
l afrique » en afrique
5 du » 5 de, 5 do, 5 zu

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

• Adding a wildcard symbol may retrieve word variants: typology des variation _ does oral communication 5 du developpement l afrique.*.