Perhaps you should try some spelling variations:
oral communication » personal communication
technologien ist » technologien im, technologien mit, technologies exist
ist information » iot information, first information, cost information
contents new » contexts new, contents how, contents je
4 developing » 3 developing
developing a » developing _
new oral » new moral, knew moral, new rural
a africa » 1 africa, can africa, em africa
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 ist information contents new oral communication costs 4 developing a africa.*.