Perhaps you should try some spelling variations:
china plain » china main, china gain, china grain
juan chang » yuan chang, huang chang, han chang
china hand » china han, china land, china brand
yang jin » yang jie, yang jun, ying jin
yang li » yang lin, yang di, yang xi
feng » eng, fang
hai » hadi, haji, hari

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: feng juan chang ((china hand) OR (china plain)) ((yang li) OR (yang jin)) dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: feng juan chang ((china hand) or (china plain)) ((yang li) or (yang jin)) dang hai ;*.