Perhaps you should try some spelling variations:
hong wang » hong gang, hong kong, hong jong
sang minh » kang minah, anh minh, song min
yang hui » wang hui, yang muxi, zhang hui
yang jui » yang judy, yang di, yang yi
tong hui » wang hui
yang xi » yang di, yang yi
le sang » lee sang, le dang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hong wang ((yang hui) or (((yang jui) OR (yang xi)))) le sang minh ((song shin) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hong wang ((yang hui) OR (((yang jui) OR (yang xi)))) le sang minh ((song shin) OR (tong hui)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hong wang ((yang hui) or (((yang jui) OR (yang xi)))) le sang minh ((song shin) or (tong hui)) ;*".