Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yuan gain » run gain, yuan lin
yong yan » yang yang, ying yang, yong yoon
yuan kai » yuan kang, yuan fei, tan kai
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 (dong yang)) ((yuan gain) OR (yuan kai)) yang yi dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yong yan) OR (dong yang)) ((yuan gain) OR (yuan kai)) yang yi dang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yong yan) or (dong yang)) ((yuan gain) OR (yuan kai)) yang yi dang hai ;*".