Perhaps you should try some spelling variations:
wang yidan » wang yan
yidan yang » dan yang, yin yang
sang minh » kang minah, anh minh, song ming
wong shiu » wong siu, cong shu, wong sau
song min » song ming, gong min, jong min
yang xi » yang di, yang yi, yang jui
xi wu » yi wu, li wu, xi bu
shin » skin, sein, thin

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

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