Perhaps you should try some spelling variations:
oral communication » personal communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
media a » media _, media 1, media 3
2 oral » _ oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation 6 2 oral communication media a developpement de l'afrique.*.