Perhaps you should try some spelling variations:
development southeast » development south, development studies
dam development » dams development, team development, farm development
typologie der » typologie des, ideologie der
der variation » de variation, does variation, die variation
variation es » variation des, variation test, variations des
den mass » en masse, den mann, den mso

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

• Adding a wildcard symbol may retrieve word variants: typologie der variation es den mass communication _ dam development southeast afrique.*.