Perhaps you should try some spelling variations:
dong yang » dong hoang, dan yang, dong jung
yang yang » wang yan
wang yang » wang yan, wang liang, wang yanling
gene yang » gene bank
hua gene » human gene, a gene, hua ren
yang min » yang mind, yang jin, tang min
min hong » amin hong, tin hong, min hyoung
hong ghi » zhong zhi, hong g, hong hai
xi hua » xie hua, li hua

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

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