Perhaps you should try some spelling variations:
zhang hyoung » wang hyoung, zhang hong, kang young
china zhang » china chang, cheng zhang, chin chang
zhang zhang » zhen zhang, cheng zhang, zhang fang
wang sheng » fang sheng, wang zheng, wang susheng
hyoung yu » hyoung gun, kyoung yun, hong yu
yang jin » yang jun, ying jin, shang jin
yang jie » yang di, yang jui, yang xi
yan je » han je

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: wang sheng ((yan je) OR (((yang jin) OR (yang jie)))) china zhang zhang hyoung yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang sheng ((yan je) or (((yang jin) OR (yang jie)))) china zhang zhang hyoung yu ;~".
• Adding a wildcard symbol may retrieve word variants: wang sheng ((yan je) or (((yang jin) OR (yang jie)))) china zhang zhang hyoung yu ;*.