Perhaps you should try some spelling variations:
china changqi » china chang, china shanghai, chin chang
wang xiuyan » wang xinyan, wang xuan
xiuyan fang » xiulan zhang
china zhang » china chang, cheng zhang, chin chang
dai phong » hai phong, bai chong
kai hong » bai chong, hai phong, wai hoong
fang ri » fang wei, fang xia

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: wang xiuyan fang ri ((china zhang) OR (china changqi)) ((dai phong) OR (kai hong)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiuyan fang ri ((china zhang) or (china changqi)) ((dai phong) OR (kai hong)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang xiuyan fang ri ((china zhang) or (china changqi)) ((dai phong) OR (kai hong)) shu ;*.