Perhaps you should try some spelling variations:
hyoung tan » hyoung gun, hong tan
young man » young men, young woman, young male
china due » china does, china des, china den
kang hay » eang hay, kang han, dang hai
yang xi » yang di, yang yi, yang jui
xi kang » jin kang, xi zhang
wang » wing, wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((hyoung tan) OR (young man)) ((chia du) OR (china due)) yang xi kang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((hyoung tan) OR (young man)) ((chia du) or (china due)) yang xi kang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((hyoung tan) OR (young man)) ((chia du) or (china due)) yang xi kang hay ;*.