Perhaps you should try some spelling variations:
wang liang » wang yang
tang minh » sang minh, tang min, kang minah
yang lin » yang jin, wang lin, yang li
lee tang » lee sang, lee tong, lee chang
cong hui » gong hui, cong shu, wang hui
tong hui » wang hui
yang xi » yang di, yang yi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ((yang lin) or (yang xi)) lee tang minh ((cong hui) OR (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yang lin) OR (yang xi)) lee tang minh ((cong hui) OR (tong hui)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yang lin) or (yang xi)) lee tang minh ((cong hui) OR (tong hui)) ;".
• Adding a wildcard symbol may retrieve word variants: wang liang ((yang lin) or (yang xi)) lee tang minh ((cong hui) OR (tong hui)) ;*.