Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
lang sheng » fang sheng, bing sheng, dong sheng
chang wang » chang ann, chang won, hong wang
yang jie » yang jin, yang di, yang jui
yong eun » young eun, yong ben, yong suk
jung eun » young eun
han je » han jace

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 ((han je) OR (yang jie)) china chang wang ((yong eun) OR (jung eun)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "lang sheng ((han je) or (yang jie)) china chang wang ((yong eun) OR (jung eun)) ;~".
• Adding a wildcard symbol may retrieve word variants: lang sheng ((han je) or (yang jie)) china chang wang ((yong eun) OR (jung eun)) ;*.