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
developing real » developing areas, developing a, developing east
contents new » contexts new, contents how, contents je
4 developing » 3 developing
real africa » rural africa, areas africa, health 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 ist information contents new oral communication costs 4 developing real africa.*.