Perhaps you should try some spelling variations:
fragen fur » fragen zur, folgen fur, fragen der
human und » bauman und, human use, human united
young eun » young men
yang fan » zhang fan, yang dean, yang yang
yang xi » yang di, yang yi, yang jui
2 human » 3 human
ng 2 » nr 2, n 2, g 2

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang fan) or (yang xi))ng 2 human und ((green human) or (fragen fur)) young eun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang fan) OR (yang xi))ng 2 human und ((green human) OR (fragen fur)) young eun ;.
• Adding a wildcard symbol may retrieve word variants: ((yang fan) or (yang xi))ng 2 human und ((green human) or (fragen fur)) young eun ;*.