Perhaps you should try some spelling variations:
yong yoon » wong yoon, yong khoon
dong yang » dong hoang, wang yang, yang yang
gain yang » dan yang, daun yang, tan yang
yong yan » yang yang, ying yang, wang yan
yun gain » run gain, you gain, n gain
yang yi » yang di, yang xi, yang jui
yi dang » yi gang, yi yang, yi chang
hai » hadi, haji, hari

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 yan) OR (yong yoon))) or (dong yang)) yun gain yang yi dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((((yong yan) OR (yong yoon))) OR (dong yang)) yun gain yang yi dang hai ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((((yong yan) OR (yong yoon))) or (dong yang)) yun gain yang yi dang hai ;".
• Adding a wildcard symbol may retrieve word variants: wang ((((yong yan) OR (yong yoon))) or (dong yang)) yun gain yang yi dang hai ;*.