Perhaps you should try some spelling variations:
personal communication » interpersonal communication
et developpement » de developpement, le developpement, test development
developpement l » developpement il, developpement la, developpement de
variation bei » variation des, variation der, variation _
der personal » der personalen, der personen, der person
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 personal communication a et developpement l afrique.*.