Perhaps you should try some spelling variations:
persons communication » personal communication, personal communications, garrisons communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
variation bei » variation des, variation der, variation _
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
bei older » bei der, ii older, sex older
a le » a les, a la, a l

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation bei older persons communication a le developpement de afrique.*.