Perhaps you should try some spelling variations:
union sacu » non sacu
wang dong » wang yong, wang hong, wang jing
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
yang hua » wang hua, yang hui, ying hua
yang jin » yang jie, yang jun, ying jin
won sau » wong sau, wong sam, wong siu

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

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