Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information costs » information contents, information centers, information content
technologien nd » technologien und, technologien ad, technologie und
developing east » development east, developing a, developing asia
nd information » und information, d information, od information
east areas » karst areas, east asezs
4 verbal » _ verbal, 3 verbal, a verbal
costs 4 » costs a, costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information costs 4 verbal communication costs _ developing east areas.*.