Perhaps you should try some spelling variations:
kyoung yun » young yun, kyoung yang, hyoung gun
soon seng » soon beng, soon heng, khoon seng
seng tan » hong tan, sang tae, seng law
yan guan » gan guan, yan yuan, yang guang
tan hua » tuan hua, wang hua, tan chia
hua ren » hua chen
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: soon seng tan hua ren ((nan yan) or (yan guan)) kyoung yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: soon seng tan hua ren ((nan yan) OR (yan guan)) kyoung yun ;*.