Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
wang sang » wang yang, wang liang, wang yan
wong sam » wong sau, wong lai, von sam
sang yu » sang hyup, wang yue, mang yul
yu chen » yu cheng, yi chen, yulu chen
yang yi » yang xi, yang jui
sar » sara, star, saur

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang sang yu chen ((yang yi) or (yang di)) ((wong sam) or (kong sar)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang sang yu chen ((yang yi) OR (yang di)) ((wong sam) OR (kong sar)) ;*.