Perhaps you should try some spelling variations:
oral communication » personal communication
information case » information based, information can, information costs
developing av » developing a, developing ai, developing amp
av africa » v africa, iv africa, can africa
case new » use new
new oral » new moral, knew moral, new rural
technologien » technologies, technologie, technological

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologien accounting information case new oral communication costs _ developing av africa.~.
• Adding a wildcard symbol may retrieve word variants: technologien accounting information case new oral communication costs _ developing av africa.*.