Perhaps you should try some spelling variations:
formen communication » force communication, formen kommunikation, open communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
developing east » development east, developing a, developing asia
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
die formen » die folgen
east areas » karst areas, east asezs
costs 4.1 » costs 4.2, costs 4.4, costs 4.3

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 formen communication costs 4.1 developing east areas.*.