Perhaps you should try some spelling variations:
lang yang » wang yang, lang lang, ylang ylang
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
tong shui » tong hui, cong shu, gong hui
yang xi » yang di, yang yi, yang jui
ai sang » kil sang
xi ai » ai ai, i ai, ii ai

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yang yang xi ai sang minh ((wong shiu) or (tong shui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yang yang xi ai sang minh ((wong shiu) OR (tong shui)) ;*.