Perhaps you should try some spelling variations:
oral communication » personal communication
information based » information case, information bank, transformation based
technologien ist » technologien im, technologien mit, technologies exist
ist information » iot information, first information, cost information
developing band » developing brand, developing based, developing inland
4 developing » 3 developing
band africa » bank africa, bank african, can 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 based new oral communication costs 4 developing band africa.*.