Perhaps you should try some spelling variations:
china chang » chin chang, china zhang, china changqi
chang wang » chang ann, chang won, hong wang
did china » did china's
yang yao » yang yang, wang yan, yang yi
yao yang » yang yang
yang did » yang di, yang mind, yang xi
hong shu » tong shui, wong shiu, hong seo

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 did china chang wang ((hong shu) or (cong shu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yao yang did china chang wang ((hong shu) OR (cong shu)) ;.
• Adding a wildcard symbol may retrieve word variants: yang yao yang did china chang wang ((hong shu) or (cong shu)) ;*.