Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien aids » technologien als, technologien ad, technologien des
information costs » information contents, information centers, information content
aids information » chandos information, series information
developing areas » developing asia, developing east, developing a
a developing » a development
areas areas » areas arenas, seas areas, areas access
3 verbal » _ verbal, a verbal, 3 verfall
costs 3 » 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 aids information costs 3 verbal communication costs a developing areas areas.*.