Perhaps you should try some spelling variations:
personal communication » interpersonal communication
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
communication 2 » communication _, communication a, communication 3
typologie von » typologie des, typologie der
von variation » 2 variation, 4 variation
den personal » der personal, de personal, des personal

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

• Adding a wildcard symbol may retrieve word variants: typologie von variation _ den personal communication 2 die developpement en afrique.*.