Perhaps you should try some spelling variations:
lee chang » lee ching, lee changgi, fee change
wang wang » wang yang, wang liang, wang yan
lee chung » lee ching, lee chun, lee hung
wang wong » wang yong, wang hong, wang yang
wong yue » wang yue, hong yu
dan can » dan cao, dan con, man can
man han » man hat, man can, man kann

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 ((dan can) or (man han)) ((lee chang) or (lee chung)) wang wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ((dan can) OR (man han)) ((lee chang) OR (lee chung)) wang wong yue ;.
• Adding a wildcard symbol may retrieve word variants: wang wang ((dan can) or (man han)) ((lee chang) or (lee chung)) wang wong yue ;*.