Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
developpement l » developpement il, developpement la, developpement de
typologien die » typologien der, typologie des, typologie der
die variation » de variation, does variation, der variation
variation von » variationen von, variation _, variation 6
downs verbal » non verbal, des verbal
von downs » von doing, von doris
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 von downs verbal communication media _ developpement l afrique.*.