Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
chang won » chang soon, chang ann, chang min
yang yao » yang yang, wang yan, yang yi
yang jia » yang jie, yang jing, yang di
yang jin » yang jie, yang jun, ying jin
won hong » hong hong, kong hong, wang hong
hong shu » cong shu, tong shui, wong shiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yao ((yang jia) or (yang jin)) chin chang won hong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yao ((yang jia) OR (yang jin)) chin chang won hong shu ;.
• Adding a wildcard symbol may retrieve word variants: yang yao ((yang jia) or (yang jin)) chin chang won hong shu ;*.