Perhaps you should try some spelling variations:
oral communication » personal communication
technologien nd » technologien und, technologien ad, technologie und
nd information » und information, d information, od information
developing ai » developing a, developing av, developing asia
contents new » contexts new, contents how, contents je
4 developing » 3 developing
ai africa » ii africa, can africa, 1 africa
new oral » new moral, knew moral, new rural
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 nd information contents new oral communication costs 4 developing ai africa.*.