Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, wang yong
lang sheng » fang sheng, dong sheng, dung sheng
bing sheng » fang sheng, dong sheng, dung sheng
chin chang » china chang, chain change, china zhang
chang wang » chang ann, chang won, hong wang
kyoung yun » young yun, kyoung yang, hyoung gun
yang jun » yang jui, pang jun, yang jin
yan je » han je, yang jie

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: ((lang sheng) OR (bing sheng)) ((yan je) OR (yang jun)) chin chang wang kyoung yun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((lang sheng) OR (bing sheng)) ((yan je) or (yang jun)) chin chang wang kyoung yun ;~".
• Adding a wildcard symbol may retrieve word variants: ((lang sheng) OR (bing sheng)) ((yan je) or (yang jun)) chin chang wang kyoung yun ;*.