Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
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 banks, non sales, non sense
non same » non state, non frame, non sales

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 sans))) or (non same)) ;~.
• 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 sans))) OR (non same)) ;.
• 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 sans))) or (non same)) ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((yong hua) or (dong hua)) gene yang jin ((((non sacu) OR (non sans))) or (non same)) ;*.