Perhaps you should try some spelling variations:
technologien als » technologien des, technologien fur, technologien und
de communication » mobile communication, online communication
developing karst » developing east, developing forest, developing heart
als information » als informations, aids information, laws information
information 2 » information 3
4 developing » 3 developing
karst areas » karstic areas, forest areas, thrust areas
costs 4 » costs _, costs a, costs 4.2
das de » das der, das dem, das den
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technologien als information 2 das de communication costs 4 developing karst areas.*.