Perhaps you should try some spelling variations:
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
developpement de » developpement des, developpement durable
variation among » starvation among, formation among, variation von
ideologien der » ideologie der, ideologie des, ideologie de
der variation » de variation, does variation, die variation
among idp » among idps, among ip, among di
idp oral » i oral, ii oral, iii 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: ideologien der variation among idp oral communication media au developpement de l'afrique.*.