Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
technologien d » technologien ad, technologien _, technologien 1
d information » nd information, od information, und information
developing 4 » developing _, developing a, developing e
case new » use new
new oral » new moral, knew moral, new rural
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien d information case new oral communication costs _ developing 4 areas.*.