Perhaps you should try some spelling variations:
oral communication » personal communication
ai developpement » au developpement, de developpement, le developpement
developpement la » developpement de, developpement et, developpement du
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
la afrique » l afrique, la fabrique, en afrique
does oral » does formal, does oil
a ai » ai ai, _ ai, a a

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ does oral communication a ai developpement la afrique.*.