Perhaps you should try some spelling variations:
done using » line using, move using
human gene » human genome, human gender, human bone
using des » using pdes, using aes, using dbs
des human » does human, das human, des humains
tong hui » wang hui
yan jiu » yang jie, yang jin, pang jiu
yang » lang, wang

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

• Performing a fuzzy search may retrieve terms with similar spellings: done using des human gene ((yan jiu) or (yang judy)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: done using des human gene ((yan jiu) OR (yang judy)) tong hui ;*.