Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
huang lin » huang bin, huang jing, huang ting
hua gene » hua ren, hy5 gene
yang jin » yang jie, yang jun, ying jin
hong ghi » zhong zhi, hong g, hong hai
yan tan » tan tan, yan clan, yan guan
a gene » a genre, a gender, a gentle
wang » wing, wan, lang

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

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