Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
hua gene » a gene, hua ren, hy5 gene
cong ghi » hong ghi, cong shu
yang ya » yang yao, yang ka, yang y
yang yi » yang di, yang jui
yang xi » yang di, yang jui
li cong » li rong, li song, jiu cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang ya) or (((yang yi) or (yang xi))))ng ya ((hua gene) or (human gene)) tang li cong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang ya) OR (((yang yi) OR (yang xi))))ng ya ((hua gene) OR (human gene)) tang li cong ghi ;.
• Adding a wildcard symbol may retrieve word variants: ((yang ya) or (((yang yi) or (yang xi))))ng ya ((hua gene) or (human gene)) tang li cong ghi ;*.