Perhaps you should try some spelling variations:
die transformations » die transformation, lie transformations, de transformation
transformations 13 » transformations 1, transformations 3, transformations 10
de communication » mobile communication, online communication
developing karst » developing east, developing forest, developing heart
technologie die » technologie de, technologie im, technologie der
karst areas » karstic areas, forest areas, thrust areas
13 und » 1933 und
und de » und der, und des, und den

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformations 13 und de communication costs _ developing karst areas.*.