Perhaps you should try some spelling variations:
fragen human » frames human, fragen hermann, fragen zum
fragen zur » fragen der
yang yang » wang yang, wang yan
human und » bauman und, human use, human united
young eun » young men
yang jui » yang judy, yang di, yang xi
g 20 » _ 20
g 2 » gt 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 yang) or (yang jui))((g 2) OR (g 20)) human und ((fragen human) or (fragen zur)) young eun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang jui))((g 2) OR (g 20)) human und ((fragen human) OR (fragen zur)) young eun ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang jui))((g 2) OR (g 20)) human und ((fragen human) or (fragen zur)) young eun ;".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang jui))((g 2) OR (g 20)) human und ((fragen human) or (fragen zur)) young eun ;*.