Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
yuan kang » yuan wang, yuan kai, yuan ming
chan kang » chung kang, chan eng, chan fong
hyoung il » hong il
wing tan » wing ian, liang tan, hong tan
kyung il » kyung min
tan nan » tan tan, tan bann, tan yang
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing tan nan yan ((((yuan kang) or (chan kang))) or (yuan chang)) han ((kyung il) OR (hyoung il)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan nan yan ((((yuan kang) OR (chan kang))) OR (yuan chang)) han ((kyung il) OR (hyoung il)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan nan yan ((((yuan kang) or (chan kang))) or (yuan chang)) han ((kyung il) OR (hyoung il)) ;".
• Adding a wildcard symbol may retrieve word variants: wing tan nan yan ((((yuan kang) or (chan kang))) or (yuan chang)) han ((kyung il) OR (hyoung il)) ;*.