Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
technologien und » technologie und, technologien des, technologien fur
developing based » development based, developing asia, developing east
und information » fund information, road information, award information
4 developing » 3 developing
debat oral » debat moral, debate moral, debat social
based art » based smart, based aid, based ai
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 und information costs debat oral communication costs 4 developing based art.*.