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
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
debat oral » debat moral, debate moral, debat social
costs 2.2 » costs 4.2, costs 2.3, cost 2.2
based art » based smart, based aid, based ai

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 2.2 developing based art.*.