Perhaps you should try some spelling variations:
communication medien » communication media, communication medium, communication mediums
oral communication » personal communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
medien et » medien der, medien des, medien lev
theorie » theories

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

• Adding a wildcard symbol may retrieve word variants: theorie der variation 6 time oral communication medien et developpement en afrique.*.