Perhaps you should try some spelling variations:
done using » line using, move using
using drag » using drg, using dea, using dna
don chen » done when, goh chen, don ce
yang jun » yang jui, pang jun, yang jin
yang jie » yang jin, yang jui, yang yi
yang yun » tang yun, yang yue, yang yang
yang xi » yang yi, 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: done using drag don chen ((yang jun) or (yang jie)) ((yang yun) or (((yang xi) OR (yang di)))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: done using drag don chen ((yang jun) OR (yang jie)) ((yang yun) OR (((yang xi) OR (yang di)))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "done using drag don chen ((yang jun) or (yang jie)) ((yang yun) or (((yang xi) OR (yang di)))) ;*".