Perhaps you should try some spelling variations:
oral communication » personal communication
au developpement » du developpement, de developpement, le developpement
variation being » variation bei, variation using, variation among
developpement l » developpement il, developpement la, developpement de
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
being cross » being across, using cross, doing cross
cross oral » cross modal, class oral
l afrique » en afrique
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 de variation being cross oral communication media au developpement l afrique.*.