Perhaps you should try some spelling variations:
huang jing » huang ting, huang ying, wang jing
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
zhong zhi » zhang zhi, zhong tai
hua gene » human gene, hua ren, hy5 gene
hong ghi » hong g, hong hai
a gene » a genre, a gender, a gentle
hai » hadi, haji, hari

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang ying yang ((hua gene) OR (a gene)) huang jing ((((zhong zhi) or (hong ghi))) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ying yang ((hua gene) OR (a gene)) huang jing ((((zhong zhi) OR (hong ghi))) OR (dang hai)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying yang ((hua gene) OR (a gene)) huang jing ((((zhong zhi) or (hong ghi))) or (dang hai)) ;*".