Perhaps you should try some spelling variations:
dong yang » dong hoang, dong jung, dong nan
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
gene yang » gene bank
tin zhong » tin hong, bin zhang, ji zhong
zhong zhi » zhang zhi, hong ghi, zhong tai
dan yang » daun yang, tan yang, adam yang
yang tin » yang jin, yang lin, yang jing
a gene » a genre, a gender, a gentle
xi a » xi ai, i a, ii a

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 (((dan yang) or (wang yang))))) or (yang yang)) xi a gene yang tin zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((dong yang) OR (((dan yang) OR (wang yang))))) OR (yang yang)) xi a gene yang tin zhong zhi ;.
• Adding a wildcard symbol may retrieve word variants: ((((dong yang) or (((dan yang) or (wang yang))))) or (yang yang)) xi a gene yang tin zhong zhi ;*.