Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information centers » information contents, information officers
technologien ad » technologien am, technologien und, technologien als
developing east » development east, developing a, developing asia
ad information » d information, nd information, od information
4 developing » 3 developing
east areas » karst areas, east asezs
centers a » centers _, center a, enters a
a verbal » _ verbal, 3 verbal, a herbal
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 centers a verbal communication costs 4 developing east areas.*.