Perhaps you should try some spelling variations:
oral communication » personal communication
communication law » communications law, communication layer, communication 3
variation series » education series, action series, edition series
do developpement » de developpement, du developpement, le developpement
developpement du » developpement de, developpement des, developpement et
des variation » does variation, de variation, der variation
series from » services from, stories from, memories from
du afrique » en afrique, l afrique, de l'afrique
from oral » from moral, from rural, from oil
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 series from oral communication law do developpement du afrique.*.