Perhaps you should try some spelling variations:
oral communication » personal communication
de developpement » sme development
developpement de » developpement des, developpement durable
ideologien die » ideologie de, ideologien der, ideologie der
die variation » de variation, does variation, der variation
de afrique » de l'afrique, en afrique, l afrique
does oral » does formal, does oil
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 die variation _ does oral communication a de developpement de afrique.*.