Perhaps you should try some spelling variations:
value communication » failure communication, face communication, voice communication
developing concepts » development concepts, development concept, developing countries
concepts assessing » contents assessing, consensus assessing, forests assessing
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
information b » information 2, information 1, information bank
4 developing » 3 developing
2 value » 2 values, 3 value
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information b 2 value communication costs 4 developing concepts assessing.*.