Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
die transformations » die transformation, lie transformations, de transformation
transformations 3 » transformations _, transformations 1, transformations 4
developing karst » developing east, developing forest, developing heart
technologie die » technologie de, technologie im, technologie der
karst areas » karstic areas, forest areas, thrust areas
3 und » 13 und, 23 und, _ und

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformations 3 und mobile communications costs _ developing karst areas.*.