Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information costs » information contents, information centers, information content
developing basic » developing asia, developing based, developing brazil
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
a developing » a development
basic areas » basin area, basic ideas, basic access
de verbal » des verbal, die verbale, pre verbal
costs de » costs _, costs 4, costs 5
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information costs de verbal communication costs a developing basic areas.*.