Perhaps you should try some spelling variations:
oral communication » personal communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
de afrique » de l'afrique, en afrique, l afrique
new oral » new moral, knew moral, new rural
der new » under new, der neue
a le » a les, a la, a l
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 der new oral communication a le developpement de afrique.*.