Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong tong » wong tony, tong song
sang minh » kang minah, anh minh, song min
congo shu » cong shu
tong hui » wang hui
hui rein » hui sin, i rein
yang jin » yang jie, yang jun, ying jin

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yong tong hui rein ((yang jin) or (sang minh)) congo shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong tong hui rein ((yang jin) OR (sang minh)) congo shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yong tong hui rein ((yang jin) or (sang minh)) congo shu ;*.