Perhaps you should try some spelling variations:
wang liang » wang yang
yang yang » wang yang, wang yan
sang minh » kang minah, anh minh, song min
minh wong » minh cong, min hong, ming kong
wong shiu » wong siu, cong shu, song shin
lee sang » lee ann
li lee » ii lee

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

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