Perhaps you should try some spelling variations:
wan yanling » wang yanling, wang yangming, wang danning
china grain » china gain, china main, china plain
grain yang » grain drying
min hyoung » min hong, mun young
tan china » tuan china, than china, can china
tin hong » tan hong, kia hong, thi hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yanling tan china grain yang ((tin hong) or (min hyoung)) hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yanling tan china grain yang ((tin hong) OR (min hyoung)) hai ;*.