Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
hua gene » human gene, a gene, hua ren
yang min » yang mind, tang min, yang lin
yang jin » yang jie, yang jun, ying jin
hong ghi » zhong zhi, hong g
hong hai » shang hai, zhong tai, dang hai
yang xi » yang di, yang yi, yang jui
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 xi hua gene ((yang min) OR (yang jin)) ((hong ghi) or (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang xi hua gene ((yang min) OR (yang jin)) ((hong ghi) OR (hong hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang xi hua gene ((yang min) OR (yang jin)) ((hong ghi) or (hong hai)) ;".
• Adding a wildcard symbol may retrieve word variants: dong yang xi hua gene ((yang min) OR (yang jin)) ((hong ghi) or (hong hai)) ;*.