Perhaps you should try some spelling variations:
oral communication » personal communication
informations year » informations sur, informations tirer, informations und
und informations » und information, und informationen, fund information
technologie und » technologies 2.1
developing asia » development asia, developing a
3 developing » 3 development
costs 3 » costs _, costs 4, costs a
book » books, ebook
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 informations year book oral communication costs 3 developing asia areal.*.