Perhaps you should try some spelling variations:
oral communication » personal communication
development series » development services, development agencies, development strategies
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 _
de oral » de otras, new oral
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 de oral communication a area development series afrique.*.