Perhaps you should try some spelling variations:
moral communication » oral communication, global communication, verbal communication
information source » information sources, information resource, information resources
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
4 developing » 3 developing
source die » source de, source des, source du
die moral » der moral
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 source die moral communication costs 4 developing _ areas.*.