Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
des afrique » en afrique, de l'afrique
does oral » does formal, does oil
media de » media die, media der, media diet

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

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