Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
africa development » african development, american development, physical development
communication 1 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
ideologie der » ideologie und, typologie 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: ideologie der variation des des verbal communication 1 africa development en afrique.*.