Perhaps you should try some spelling variations:
oral communication » personal communication
technologien als » technologien des, technologien fur, technologien und
information case » information based, information can, information costs
als information » als informations, aids information, laws information
developing em » developing e, developing eq, developing amp
em africa » 1 africa
case new » use new
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologien als information case new oral communication costs _ developing em africa.*.