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 em » developing e, developing eq, developing amp
4 developing » 3 developing
em africa » 1 africa
costs 4 » costs _, costs a, costs 4.2
1 oral » 10 oral, 14 oral, 16 oral
contents » context

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 1 oral communication costs 4 developing em africa.*.