Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
hua gene » human gene, hua ren, hy5 gene
yang min » yang mind, yang jin, tang min
ying jin » yang jin, jing ji
yang jie » yang jin, yang jui, yang xi
hong ghi » zhong zhi, hong g, hong hai
a gene » a genre, a gender, a gentle

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