Perhaps you should try some spelling variations:
yan yuan » fang yuan, yan clan, yan kun
yan guan » gan guan, yang guang, yihan guan
yang jun » yang jui, pang jun, yang jin
tan yong » tan hong, tan kong, tan yang
yong suk » chong suk, cong sun, rong su
suk gang » suk jang, zum gang, xu gang
gang hai » dang hai, shang hai, eang hay
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan ((((yan yuan) or (yan guan))) or (yang jun)) tan yong suk gang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan ((((yan yuan) OR (yan guan))) OR (yang jun)) tan yong suk gang hai ;*.