Perhaps you should try some spelling variations:
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
variation among » starvation among, formation among, variation von
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
des l'afrique » de l'afrique, de l'amerique
among aes » among les, among males, among heis
aes oral » des moral, new oral, u.s oral
media au » medias au, media a, media ai

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation among aes oral communication media au developpement des l'afrique.*.