Perhaps you should try some spelling variations:
der transformation » die transformation, zur transformation, energy transformation
oral communication » personal communication
era developpement » et developpement, en developpement, leur developpement
transformation a » transformation _
developpement de » developpement des, developpement durable
technologie der » technologie de, technologien des, technologies de
media era » media a, media art
de africa » does africa, de america, use africa
die oral » die moral, die orte
a die » 2 die, 3 die, _ die

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

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