Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication 2.1 » communication 22.1, communications 2.1, communication 2.4
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 bei » variation des, variation der, variation _
typology des » typologie des, typologie der, typology _
der personal » der personalen, der personen, der person
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: typology des variation bei der personal communication 2.1 die developpement l afrique.*.