Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
ming hua » ming hung, wang hua, ming lu
ying hua » wang hua, ying zhu, dong hua
thi hong » tan hong
yang yi » yang di, yang xi, yang jui
di hong » kia hong, tin hong, ji zhong

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 ((((ming hua) OR (ying hua))) or (yang yi)) gene yang ((di hong) or (thi hong)) ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang ((((ming hua) OR (ying hua))) OR (yang yi)) gene yang ((di hong) OR (thi hong)) ghi ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ((((ming hua) OR (ying hua))) or (yang yi)) gene yang ((di hong) or (thi hong)) ghi ;".
• Adding a wildcard symbol may retrieve word variants: wang yang ((((ming hua) OR (ying hua))) or (yang yi)) gene yang ((di hong) or (thi hong)) ghi ;*.