Perhaps you should try some spelling variations:
oral communication » personal communication
die developpement » de developpement, le developpement, du developpement
des variations » les variations, does variation, its variations
des afrique » en afrique, de l'afrique
media die » medien die, media age
die oral » die moral, die orte
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 variations _ die oral communication media die developpement des afrique.*.