Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, china han
wang kyoung » wang hyoung, hwang byoung, wang yong
chin chang » china chang, chain change, colin chang
kyoung yun » young yun, kyoung yang, hyoung gun
yang jin » yang jie, yang jun, ying jin
han je » han jace
fang » lang, gang, fan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: fang sheng ((han je) OR (yang jin)) ((china zhang) OR (chin chang)) wang kyoung yun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fang sheng ((han je) or (yang jin)) ((china zhang) OR (chin chang)) wang kyoung yun ;~".
• Adding a wildcard symbol may retrieve word variants: fang sheng ((han je) or (yang jin)) ((china zhang) OR (chin chang)) wang kyoung yun ;*.