Perhaps you should try some spelling variations:
oral communication » personal communication
transformation a » transformation _
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
technologie die » technologie de, technologie im, technologie der
de africa » does africa, de america, use africa
media du » media die, media das, media der
do oral » do rural, who oral
a do » a dot, _ do, a d

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation a do oral communication media du developpement de africa.*.