Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
non sales » bond sales, loan sales, non sans
yong hua » ying hua, wang hua, tong hui
dong hua » wang hua, tong hui, dong hoi
yang jin » yang jie, yang jun, ying jin
non sacu » union sacu, non sans
non same » non state, non frame, note same

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang ((yong hua) or (dong hua)) gene yang jin ((non sacu) or (((non same) OR (non sales)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((yong hua) OR (dong hua)) gene yang jin ((non sacu) OR (((non same) OR (non sales)))) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((yong hua) or (dong hua)) gene yang jin ((non sacu) or (((non same) OR (non sales)))) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((yong hua) or (dong hua)) gene yang jin ((non sacu) or (((non same) OR (non sales)))) ;*.