Perhaps you should try some spelling variations:
development second » development beyond, development section, development sectors
communication pt » communication 3, communication 1, communication 2
typologien der » typologie der, typologie des, apologien der
der variation » de variation, does variation, die variation
variation bei » variation des, variation der, variation _
den risk » can risk, den res, own risk
bei den » bei der

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

• Adding a wildcard symbol may retrieve word variants: typologien der variation bei den risk communication pt gas development second afrique.*.