Perhaps you should try some spelling variations:
wan hyoung » wang hyoung, man houng, min hyoung
dang hadi » dang hai
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
ying jin » yang jin, jing ji, yang jie
yong jui » yang jun, yong cai, yong suk
yang jui » yang judy, yang di, yang xi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan hyoung ((((yan yuan) or (yan guan))) or (ying jin)) tan ((yong jui) OR (yang jui)) dang hadi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan hyoung ((((yan yuan) OR (yan guan))) OR (ying jin)) tan ((yong jui) OR (yang jui)) dang hadi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan hyoung ((((yan yuan) or (yan guan))) or (ying jin)) tan ((yong jui) OR (yang jui)) dang hadi ;*".