Perhaps you should try some spelling variations:
oral communication » personal communication
a developpement » au developpement, de developpement, le developpement
variation bei » variation des, variation der, variation _
a variation » la variation, _ variation, 2 variation
des afrique » en afrique, de l'afrique
typology a » typology _, typology 6, theology a
vs oral » u.s oral
media a » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: typology a variation bei vs oral communication media a developpement des afrique.*.