Perhaps you should try some spelling variations:
development series » development services, development agencies, development strategies
oral communication » personal communication
area development » asia development, career development, africa development
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation der » variation des, variation bei, variation _
den oral » den ort, new oral
der den » oder den, der de, der der
a area » a areas, 1 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation der den oral communication a area development series afrique.*.