Perhaps you should try some spelling variations:
from communication » data communication, de communication, 3 communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
developing karst » developing east, developing forest, developing heart
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
karst areas » karstic areas, forest areas, thrust areas
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
die from » de from, file from, die front

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations _ die from communication costs 4.1 developing karst areas.*.