Perhaps you should try some spelling variations:
oral communication » personal communication
des developpement » des developpements, de developpement, le developpement
ideologien does » ideologie des, ideologien der, ideologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
variation a » variation _, variation 6, variation 5
types oral » types formal
l afrique » en afrique
a types » 2 types, a type, 4 types
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: ideologien does variation a types oral communication a des developpement l afrique.*.