Perhaps you should try some spelling variations:
dang hari » dang hai
yang yng » yang yang, wang yang, wang yong
hua gene » human gene, hua ren, hy5 gene
yang jin » yang jie, yang jun, shang jin
ying jin » jing ji, yang jie
hong ghi » zhong zhi, hong g, hong hai
yng ya » yang yao
a gene » a genre, a gender, a gentle

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

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