Perhaps you should try some spelling variations:
oral communication » personal communication
typologien does » typologie des, typologien der, typologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
variation bei » variation des, variation der, variation _
l afrique » en afrique
new oral » new moral, knew moral, new rural
bei new » being new
a le » a les, a l, a e

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologien does variation bei new oral communication ((a le) OR (a la)) developpement l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologien does variation bei new oral communication ((a le) or (a la)) developpement l afrique.*.