Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
information case » information based, information can, information costs
technologien am » technologien im, technologien als, technologie im
developing base » developing based, developing east, developing brain
am information » guam information, palm information, crm information
base areas » basic areas, based areal, basin areas
de verbal » des verbal, die verbale, pre verbal
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technologien am information case de verbal communication costs _ developing base areas.*.