Perhaps you should try some spelling variations:
personal communication » interpersonal communication
de developpement » sme development
typologien de » typologien der, typologie des, typologie der
variation bei » variation des, variation der, variation _
de variation » der variation, die variation, does variation
der personal » der personalen, der personen, der person
des afrique » en afrique, de l'afrique

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation bei der personal communication _ de developpement des afrique.*.