Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
african development » asian development, urban development, driven development
development en » developpement en, development menu, development eco
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation des » variation _, variation 6, variation series
des verbal » des verbalen, des verbs, models verbal
des des » des deas, des dem, des der

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation des des verbal communication _ african development en afrique.*.