Perhaps you should try some spelling variations:
yan yuan » fang yuan, nan yan, yan clan
yan guan » gan guan, yang guang, yihan guan
yang jun » yang jui, pang jun, yang jin
tan yong » tan hong, tan kong, tan yang
suk gang » suk jang, zum gang, yu gang
xu gang » yu gang, zum gang, liu gang
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 yan ((((yan yuan) or (yan guan))) or (yang jun)) tan yong ((suk gang) OR (xu gang)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((((yan yuan) OR (yan guan))) OR (yang jun)) tan yong ((suk gang) OR (xu gang)) hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((((yan yuan) or (yan guan))) or (yang jun)) tan yong ((suk gang) OR (xu gang)) hai ;*".