Perhaps you should try some spelling variations:
personalen communication » personal communication, personal communications, personal communicator
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
der personalen » der personen, der regionalen
variation bei » variation des, variation der, variation _
l afrique » en afrique
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation bei der personalen communication a et developpement l afrique.*.