Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information case » information based, information can, information costs
developing areas » developing asia, developing east, developing a
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
4 developing » 3 developing
areas arenas » areas trends, seas areas
1 verbal » _ verbal, 3 verbal, a verbal
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 case 1 verbal communication costs 4 developing areas arenas.*.