Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
africa development » african development, american development, physical development
development min » development main, development menu, development may
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
models verbal » models several, models versus, models global
variation 6 » variation _, variations _, variation des
min afrique » en afrique
6 models » 2 models, 3 models, 4 models

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation 6 models verbal communication _ africa development min afrique.*.