Perhaps you should try some spelling variations:
persons communication » personal communication, personal communications, garrisons communication
e developpement » de developpement, le developpement, et developpement
typologies de » typologien der, typologies _, typologie des
variation bei » variation des, variation der, variation _
de variation » der variation, die variation, does variation
des afrique » en afrique, de l'afrique
bei older » bei der, ii older, sex older

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

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