Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
wang wang » wang yang, wang liang, wang yan
wang yong » wang yang, wang hyoung, wang yan
yan yuan » yan guan, fang yuan, nan yan
yang jui » yang judy, yang di, yang xi
eang hay » dang hai, kang han
yang yi » yang di, yang xi

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 wang) OR (wang yong)) yan yuan chang ((yang yi) OR (yang jui)) eang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang wang) or (wang yong)) yan yuan chang ((yang yi) OR (yang jui)) eang hay ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang wang) or (wang yong)) yan yuan chang ((yang yi) OR (yang jui)) eang hay ;*.