Perhaps you should try some spelling variations:
china changqi » china shanghai, chin chang, china chanted
china chang » chin chang, china zhang, china china
yang asia » dan asia, yang anda, lng asia
wang yong » wang yang, wang hyoung, wang shiyong
wang yao » yang yao, gang yao, wang tao
yao yang » yang yang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yao yang asia ((china changqi) or (china chang)) ((wang yong) OR (wang yan)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yao yang asia ((china changqi) OR (china chang)) ((wang yong) OR (wang yan)) shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yao yang asia ((china changqi) or (china chang)) ((wang yong) OR (wang yan)) shu ;".
• Adding a wildcard symbol may retrieve word variants: wang yao yang asia ((china changqi) or (china chang)) ((wang yong) OR (wang yan)) shu ;*.