Perhaps you should try some spelling variations:
sang minh » kang minah, anh minh, song min
wong shiu » wong siu, cong shu, song shin
lang yan » wang yan, wang yang, zhang yan
tuan hua » tan hua, tuan vu, yuan hui
tang min » chang min, yang mind, tang li
yan hua » tan hua, ya hua, wang hua
hong » long

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan ((yan hua) or (tuan hua)) ren ((tang min) OR (sang minh)) ((wong shiu) or (hong seo)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan ((yan hua) OR (tuan hua)) ren ((tang min) OR (sang minh)) ((wong shiu) OR (hong seo)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang yan ((yan hua) or (tuan hua)) ren ((tang min) OR (sang minh)) ((wong shiu) or (hong seo)) ;".
• Adding a wildcard symbol may retrieve word variants: lang yan ((yan hua) or (tuan hua)) ren ((tang min) OR (sang minh)) ((wong shiu) or (hong seo)) ;*.