Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
ideologien der » ideologie der, ideologie des, ideologie de
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
des afrique » en afrique, de l'afrique
vs oral » u.s oral
a de » a die, a der, a des

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

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