Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
das developpement » des developpements, de developpement, du developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
typology des » typologie des, typologie der, typology _
de persona » de personal, de personas, die persona
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: typology des variation der de persona communication 3 das developpement en afrique.*.