Perhaps you should try some spelling variations:
lee zhang » lee chang, lee ching, lee sang
zhang xin » zhang jian, zhang ming, zhang fan
wang hui » wang hua, wang zhi, wang wei
wing un » wing sun, being un, doing un
un yang » daun yang, dan yang, hui yang
yang xi » yang di, yang yi, yang jui
xi lee » ii lee

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing un yang xi lee zhang xin ((tong hui) or (wang hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing un yang xi lee zhang xin ((tong hui) OR (wang hui)) ;.
• Adding a wildcard symbol may retrieve word variants: wing un yang xi lee zhang xin ((tong hui) or (wang hui)) ;*.