Perhaps you should try some spelling variations:
china zhang » china chang, chin chang, china han
cheng zhang » cheng han, zhen zhang, chen zheng
fang kyoung » wang hyoung, kang young, hwang byoung
kyoung yun » young yun, kyoung yang, hyoung gun
yang jin » yang jie, yang jun, ying jin
yan je » han je, yang jie

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

• Performing a fuzzy search may retrieve terms with similar spellings: fang sheng ((yan je) or (yang jin)) ((china zhang) OR (cheng zhang)) fang kyoung yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fang sheng ((yan je) OR (yang jin)) ((china zhang) OR (cheng zhang)) fang kyoung yun ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "fang sheng ((yan je) or (yang jin)) ((china zhang) OR (cheng zhang)) fang kyoung yun ;*".