Perhaps you should try some spelling variations:
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
yang jin » yang jie, ying jin, shang jin
yong jui » yang jui, yong cai, yong suk
yang jun » yang jui, pang jun, yang judy
dan hai » dang hai, dan phan, dann hat
wang » wing, wan, lang

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

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