Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
technologien road » technologien ad, technologien und, technologien am
information case » information based, information can, information costs
developing base » developing based, developing east, developing brain
a developing » a development
base areas » basic areas, based areal, basin areas
de verbal » des verbal, die verbale, pre verbal
case de » case des, case d, case d1
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 road information case de verbal communication costs a developing base areas.*.