Perhaps you should try some spelling variations:
oral communication » personal communication
age developpement » de developpement, le developpement, au developpement
developpement l » developpement il, developpement la, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
rates oral » rates formal, rates rural, rates brazil
bei rates » bei daten
media age » media usage, media a, media art
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation bei rates oral communication media age developpement l afrique.*.