Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
variation among » starvation among, formation among, variation von
developpement l » developpement il, developpement la, developpement de
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
does verbal » des verbal, does vertical, models verbal
among does » among boys, among les, among donors
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typologien die variation among does verbal communication media _ developpement l afrique.*.