Perhaps you should try some spelling variations:
human gene » human genome, human gender, human bone
gene yang » gene bank
yang mind » yang cindy, yang jin, sang minh
shang hai » shang kai, dang hai, chang ha
hong ghi » zhong zhi, hong g, hong hai
yang xi » yang di, yang jui
yang yi » yang di, yang jui

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

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