Perhaps you should try some spelling variations:
china grain » china gain, china main, china plain
yan chang » yuan chang, han chang, yan zhang
chun lan » chia lan, chun wai
yang lin » wang lin, yang li, yang liang
yang jin » yang jie, yang jun, ying jin
wang » wing, wan
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang OR lang) yan chang ((chun lan) or (china grain)) ((yang lin) or (yang jin)) dang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) yan chang ((chun lan) OR (china grain)) ((yang lin) OR (yang jin)) dang hai ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) yan chang ((chun lan) or (china grain)) ((yang lin) or (yang jin)) dang hai ;*".