Perhaps you should try some spelling variations:
personalen communication » personal communication, personal communications, personal communicator
communication 4.1 » communication 4.3, communication 7.1, communication 1
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
der personalen » der personen, der regionalen
variation ban » variation bei, variation a, variation von
ban der » bann der, van der, man der
4.1 die » 2.1 die, 3.1 die

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

• Adding a wildcard symbol may retrieve word variants: typology _ variation ban der personalen communication 4.1 die developpement en afrique.*.