Perhaps you should try some spelling variations:
oral communication » personal communication
technologien cost » technologien ist, technologien des, technologies co
cost information » postal information, about information, asset information
developing can » developing a, developing ai, developing av
4 developing » 3 developing
contents je » contents key, contents 1, contents _
can africa » urban africa
je oral » new oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien cost information contents je oral communication costs 4 developing can africa.*.