Perhaps you should try some spelling variations:
american developpement » american development, america development, american developments
verbal communication » nonverbal communication, virtual communication, oral communication
developpement en » developpement et, developpement des, developpement de
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation 6 » variation _, variations _, variation des
der verbal » des verbal, der verbalen, der verband
6 der » _ der, 2 der, 3 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 6 der verbal communication _ american developpement en afrique.*.