Perhaps you should try some spelling variations:
cdss communication » class communication, mass communication, c's communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
developing waste » developing east, developing water, developing eastern
waste accessed » last accessed, websites accessed
information 2 » information 3
3 developing » 3 development
why cdss » why case, why ncds
costs 3 » costs _, costs 4, costs a
2 why » _ why, 1 why

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

• Adding a wildcard symbol may retrieve word variants: technologien does information 2 why cdss communication costs 3 developing waste accessed.*.