Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
lang sheng » fang sheng, bing sheng, dong sheng
chang wang » chang ann, chang won, hong wang
hyoung gun » young eun
yang jie » yang jin, yang di, yang jui
yang jun » yang jui, pang jun, yang jin
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: lang sheng ((((yan je) OR (yang jie))) OR (yang jun)) chin chang wang hyoung gun ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang sheng ((((yan je) OR (yang jie))) or (yang jun)) chin chang wang hyoung gun ;~".
• Adding a wildcard symbol may retrieve word variants: lang sheng ((((yan je) OR (yang jie))) or (yang jun)) chin chang wang hyoung gun ;*.