Perhaps you should try some spelling variations:
developpement durable » developpement de
formal communication » informal communication, oral communication, moral communication
le developpement » de developpement, sme development
variation und » variation _, variablen und, variation 6
ideologie de » ideologie der, ideologie des, ideologie du
de variation » der variation, die variation, does variation
los formal » loss formal, less formal, does formal
und los » und locus, und lohrs, und losch
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: ideologie de variation und los formal communication a le developpement durable afrique.*.