Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, kang young
wang yong » wang yang, wang hyoung, wang yan
zhang yan » zhang fan, zhang jian, wang yan
yang yun » yang jun, tang yun, yang yue
yun gain » run gain, you gain, n gain
yang li » yang lin, yang xi, tang li
yang yi » yang xi, 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 kyoung) or (wang yong)) yang yun gain ((((yang li) OR (yang yi))) or (yang di)) zhang yan ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang kyoung) OR (wang yong)) yang yun gain ((((yang li) OR (yang yi))) OR (yang di)) zhang yan ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang kyoung) or (wang yong)) yang yun gain ((((yang li) OR (yang yi))) or (yang di)) zhang yan ;*".