Perhaps you should try some spelling variations:
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
han kyung » han kyul, han heung, jin kyung
wing tan » wing ian, liang tan, hong tan
kyung il » kyung min, hyoung il
tan tan » tas tan, tin tan, tang tang
tan yan » tan yang, nan yan, wang 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 tan yan ((yuan kang) or (yuan wang)) han kyung il ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan tan yan ((yuan kang) OR (yuan wang)) han kyung il ;.
• Adding a wildcard symbol may retrieve word variants: wing tan tan yan ((yuan kang) or (yuan wang)) han kyung il ;*.