Perhaps you should try some spelling variations:
human bones » human bone, human beings
done using » line using, move using
using dcs » using dbs, using ddms, using dhcp
dcs human » das human, des human, does human
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 dcs human bones ((yan jiu) or (yang di)) tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: done using dcs human bones ((yan jiu) OR (yang di)) tong hui ;*.