Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
africa development » african development, american development, physical development
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
des verbal » des verbalen, des verbs, models verbal
des des » des deas, des dem, des der
typologie » typologies, typology

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

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