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
wang lin » wang li, wang qin, yang lin
yang jie » yang jin, yang di, yang jui
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)) ((wang lin) OR (yang jie)) dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: feng juan chang ((china hand) or (china plain)) ((wang lin) or (yang jie)) dang hai ;*.