Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
does verbal » des verbal, does vertical, models verbal
bei does » being does, behn does, bei der
a du » a d, a de, a u

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation bei does verbal communication a du developpement en afrique.*.