Perhaps you should try some spelling variations:
yeung kang » chung kang, leung tang
china wang » china yang, china chang, china zhang
china won » china women, china who, china why
kang han » kang chen, kong hang, zhang han
ying jin » yang jin, jing ji, yang jie
tong hui » wang hui
yang » lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: yeung kang han ((china won) OR (china wang)) ((ying jin) or (yang judy)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yeung kang han ((china won) OR (china wang)) ((ying jin) OR (yang judy)) tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yeung kang han ((china won) OR (china wang)) ((ying jin) or (yang judy)) tong hui ;*".