Perhaps you should try some spelling variations:
persona communication » personal communication, personal communications, personal communicator
does developpement » de developpement, des developpements, does development
developpement en » developpement et, developpement des, developpement de
variation oder » variation der, variation over, variation des
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
de persona » de personal, de personas, die persona
oder de » oder die, oder der, oder den
a does » 2 does, 4 does, 1 does

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation oder de persona communication a does developpement en afrique.*.