Perhaps you should try some spelling variations:
cover developpement » power development, de developpement, le developpement
oral communication » personal communication
developpement en » developpement et, developpement des, developpement de
variation oder » variation der, variation over, variation des
media cover » media over, media love, media coverage
oder es » oder des, der es, oder der
es oral » vs oral, des moral, new oral

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation oder es oral communication media cover developpement en afrique.*.