Perhaps you should try some spelling variations:
wang liang » wang yang
liang yang » liang ying, wang yang, yang yang
sang minh » anh minh, song min, song ming
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
yang yi » yang di, yang xi, yang jui
yi li » yi lai, yi lin, yin li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang yang yi li ((kang minah) or (sang minh)) ((wong siu) OR (wong sau)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang yang yi li ((kang minah) OR (sang minh)) ((wong siu) OR (wong sau)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang yang yi li ((kang minah) or (sang minh)) ((wong siu) OR (wong sau)) ;".
• Adding a wildcard symbol may retrieve word variants: wang liang yang yi li ((kang minah) or (sang minh)) ((wong siu) OR (wong sau)) ;*.