Perhaps you should try some spelling variations:
transformation 1.3 » transformation 13.3, transformation 3.3, transformation 1.1
de communication » mobile communication, online communication
developing karst » developing east, developing forest, developing heart
technologie die » technologie de, technologie im, technologie der
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
karst areas » karstic areas, forest areas, thrust areas
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
1.3 und » 1.3 un, 1.3 une
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 transformation 1.3 und de communication costs 3.2 developing karst areas.*.