Perhaps you should try some spelling variations:
oral communication » personal communication
does developpement » de developpement, des developpements, does development
typologie eines » typologie cices, typologie einiger, typologie des
eines variation » die variation, does variation, minor variation
developpement l » developpement il, developpement la, developpement de
variation des » variation _, variation 6, variation series
l afrique » en afrique
diw oral » i oral, ii oral, iii oral
des diw » des dix, des dirk

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

• Adding a wildcard symbol may retrieve word variants: typologie eines variation des diw oral communication _ does developpement l afrique.*.