Perhaps you should try some spelling variations:
hwang byoung » wang hyoung
kang young » wang hyoung
min hyoung » mun young
hua irene » hua ren
irene yan » irene a, ren yan
ying hua » ming hua, wang hua, ying zhu
min hong » amin hong, tin hong, min jeong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hwang byoung) or (kang young)) ying hua irene yan ((min hong) or (min hyoung)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hwang byoung) OR (kang young)) ying hua irene yan ((min hong) OR (min hyoung)) shu ;.
• Adding a wildcard symbol may retrieve word variants: ((hwang byoung) or (kang young)) ying hua irene yan ((min hong) or (min hyoung)) shu ;*.