Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
die developpement » de developpement, le developpement, du developpement
developpement l » developpement il, developpement la, developpement de
des variation » does variation, de variation, der variation
variation des » variation _, variation 6, variation series
theorie des » theorie der
l afrique » en afrique
des pre » does pre, des pro, des prq

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

• Adding a wildcard symbol may retrieve word variants: theorie des variation des pre verbal communication _ die developpement l afrique.*.