Perhaps you should try some spelling variations:
wan kyoung » wang hyoung, han kyung, hwang byoung
kang young » wang hyoung
ryang hua » wang hua, yang hui, ying hua
hua rents » hua ren
rents yan » ren yan
guan hong » quang hong, tan hong, can hong
yan guan » gan guan, yan yuan, yang guang
hong ghi » zhong zhi, hong g, hong hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wan kyoung) or (kang young)) ryang hua rents yan guan hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wan kyoung) OR (kang young)) ryang hua rents yan guan hong ghi ;*.