Perhaps you should try some spelling variations:
information source » information sources, information resource, information resources
oral communication » personal communication
technologien zur » technologien fur, technologien des, technologien und
zur information » fur information, your information, der information
3 developing » 3 development
developing 1 » developing _, developing a, developing e
source die » source de, source des, source du
die oral » die moral, die orte
costs 3 » costs _, costs 4, costs a
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information source die oral communication costs 3 developing 1 areas.*.