Perhaps you should try some spelling variations:
personalen communication » personal communication, personal communications, personal communicator
does developpement » de developpement, des developpements, does development
communication 4 » communication _, communication a, communication 3
variation over » variation der, variation notes, variation des
der personalen » der personen, der regionalen
typologie die » typologie des, typologie der, theologie die
die variation » de variation, does variation, der variation
des afrique » en afrique, de l'afrique
over der » cover der, over de, over air
4 does » 2 does

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

• Adding a wildcard symbol may retrieve word variants: typologie die variation over der personalen communication 4 does developpement des afrique.*.