Perhaps you should try some spelling variations:
oral communication » personal communication
und informationen » und information, und informationelle, fund information
informationen und » informations und, information und, transformationen und
technologie und » technologies 2.1
developing asia » development asia, developing a
4 developing » 3 developing
und book » fund book, und ebook, hand book
costs 4 » costs _, costs a, costs 4.2
areal. » areas., area., real.

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologie und informationen und book oral communication costs 4 developing asia areal.*.