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

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 danning than china grain yang ((tin hong) OR (((min hyoung) OR (min hong)))) hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang danning than china grain yang ((tin hong) or (((min hyoung) or (min hong)))) hai ;*.