Perhaps you should try some spelling variations:
persons communication » personal communication, personal communications, garrisons communication
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
des variation » does variation, de variation, der variation
variation bei » variation des, variation der, variation _
la afrique » l afrique, la fabrique, en afrique
bei older » bei der, ii older, sex older
a de » a die, a der, a des
typologie » typologies, typology

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

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