Perhaps you should try some spelling variations:
china chen » china shen, china china, china chang
doing sin » dong sin, doing un, doing von
tan china » tuan china, than china, can china
you liang » you xian, you liangzhi
wong shiu » wong siu, cong shu, song shin
chen you » when you, chen yu, chen yulu
wang hui » wang hua, wang zhi, wang wei
sin tan » sin tax, tin tan, sin cain

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

• Performing a fuzzy search may retrieve terms with similar spellings: doing sin tan china chen you liang ((wong shiu) or (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doing sin tan china chen you liang ((wong shiu) OR (wang hui)) ;.
• Adding a wildcard symbol may retrieve word variants: doing sin tan china chen you liang ((wong shiu) or (wang hui)) ;*.