Perhaps you should try some spelling variations:
wang wang » wang liang, wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
dang minh » sang minh, kang minah, anh minh
tong hui » wang hui
yang yi » yang di, yang xi, yang jui
le dang » le sang, le duong
yi le » i le, ii le, yi lu
cong » congo, long, hong

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 yang yi le dang minh ((cong shu) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang yang yi le dang minh ((cong shu) OR (tong hui)) ;*.