Perhaps you should try some spelling variations:
layer communication » water communication, jander communication, master communication
developing karstic » developing realistic, developing analytic, developing domestic
transformation 13 » transformation 1.3, transformations 13, transformation 1
technologie die » technologie de, technologie im, technologie der
karstic areas » karst areas, basic areas
4 developing » 3 developing
und layer » und lager, und lander, und langer
costs 4 » costs _, costs a, costs 4.2
13 und » 1933 und

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation 13 und layer communication costs 4 developing karstic areas.*.