Perhaps you should try some spelling variations:
cheng ming » cheng bing, cheng ling, chen ping
sang yue » wang yue, yang yue, sang hyup
ming jin » ying jin, min jin, ming qing
wong sau » wong sam, wong shiu, wong lai
wong siu » wong shiu, kong siu, wong siew
sang yu » sang hyup, wang yue, mang yul
wang » wing, wan, lang

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

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