Perhaps you should try some spelling variations:
oral communication » personal communication
bau developpement » au developpement, du developpement, ou developpement
developpement en » developpement et, developpement des, developpement de
variation wider » variation der, variation des, variation de
typologies des » typologie des, typologie der, typologien der
des variation » does variation, de variation, der variation
wider den » wider die
media bau » media bias, media a, media ai
den oral » den ort, new oral

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

• Adding a wildcard symbol may retrieve word variants: typologies des variation wider den oral communication media bau developpement en afrique.*.