Perhaps you should try some spelling variations:
oral communication » personal communication
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
information case » information based, information can, information costs
a access » 2 access, 3 access, 4 access
case n » case 1, case 2, case 3
n oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien does information case n oral communication costs _ development a access.*.