Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
informations costs » information costs, information cost, informations sur
technologien als » technologien des, technologien fur, technologien und
als informations » als information, des informations, a informations
3 developing » 3 development
developing a » developing _
1 verbal » _ verbal, 3 verbal, a verbal
costs 1 » costs _, costs 4, costs a
costs 3 » costs _, costs 4, costs a
a areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien als informations costs 1 verbal communication costs 3 developing a areas.*.