Perhaps you should try some spelling variations:
oral communication » personal communication
en developpement » et developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation und » variation _, variablen und, variation 6
does oral » does formal, does oil
und does » guns does, und doch, aid does
media en » media era, media _, media 1
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation und does oral communication media en developpement de l'afrique.*.