Perhaps you should try some spelling variations:
oral communication » personal communication
das developpement » des developpements, de developpement, du developpement
developpement de » developpement des, developpement durable
ideologie des » ideologie der, theologie des, ikonologie des
des variation » does variation, de variation, der variation
variation von » variationen von, variation _, variation 6
types oral » types formal
von types » loan types, ten types
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: ideologie des variation von types oral communication a das developpement de l'afrique.*.