Perhaps you should try some spelling variations:
using dea » using delta, using ideal, using data
using dna » using data, using drag, using dual
using dem » using dhm, using deep, using ddms
tan zhong » tan hong, tan kong, can hong
zhong zhi » zhang zhi, hong ghi, zhong tai
hua gene » human gene, a gene, hua ren

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

• Performing a fuzzy search may retrieve terms with similar spellings: move ((((using dea) OR (using dna))) or (using dem)) hua gene (yan or yang) tan zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: move ((((using dea) OR (using dna))) OR (using dem)) hua gene (yan OR yang) tan zhong zhi ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "move ((((using dea) OR (using dna))) or (using dem)) hua gene (yan or yang) tan zhong zhi ;*".