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
und information » fund information, road information, award information
developing asia » development asia, developing a
3 developing » 3 development
debat oral » debat moral, debate moral, debat social
asia art » asia part, asia a
costs 3 » costs _, costs 4, costs a

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 3 developing asia art.*.