Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
yang dewan » yang dean, wang dewen
siu cheng » siu cheung, su cheng, yu cheng
cheng chu » cheng lu
duong van » cong van, duong anh
chu qian » chu yuan, wu qian
rong van » cong van, trang van, rol van

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wan or lang) ((yang liang) or (yang dewan)) siu cheng chu qian ((rong van) OR (duong van)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wan OR lang) ((yang liang) OR (yang dewan)) siu cheng chu qian ((rong van) OR (duong van)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wan or lang) ((yang liang) or (yang dewan)) siu cheng chu qian ((rong van) OR (duong van)) ;*".