Perhaps you should try some spelling variations:
form communication » force communication, from communication, csr communication
technologien dis » technologien des, technologien als, technologien im
developing karst » developing east, developing forest, developing heart
dis information » mis information, aids information, des informations
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
karst areas » karstic areas, forest areas, thrust areas
die form » die reform, die formen

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information _ die form communication costs 4.2 developing karst areas.*.