Perhaps you should try some spelling variations:
yang jung » yang jun, yang guang, yang judy
yang jing » wang jing, yang jin, huang jing
hans yuan » hans van, fang yuan, yan yuan
yuan wang » yan wang, yuan kang, yuan chang
yang yun » yang jun, tang yun, yang yang
yang yue » wang yue, yang jui, yang yi
kang hay » eang hay, kang han, dang hai

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: ((yang jung) OR (yang jing)) hans yuan wang ((yang yun) OR (yang yue)) kang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang jung) OR (yang jing)) hans yuan wang ((yang yun) or (yang yue)) kang hay ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang jung) OR (yang jing)) hans yuan wang ((yang yun) or (yang yue)) kang hay ;*.