Perhaps you should try some spelling variations:
oral communication » personal communication
und informations » und information, und informationen, fund information
technologie und » technologies 2.1
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
des oral » des moral, des oil, des orts
und des » und der

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

• Adding a wildcard symbol may retrieve word variants: technologie und informations und des oral communication costs 4.1 developing _ access.*.