Perhaps you should try some spelling variations:
done using » line using, move using
yan zhang » yuan chang, bin zhang, han chang
hua gene » human gene, a gene, hua ren
yan than » van thanh, yan clan, yan guan
wong yue » wang yue, hong yu
using a » using _
a hua » ya hua, _ hua, a hra

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

• If you are trying to use Boolean operators, they must be ALL CAPS: done using a hua gene ((yan than) OR (yan zhang)) wong yue ;~.
• Adding a wildcard symbol may retrieve word variants: done using a hua gene ((yan than) or (yan zhang)) wong yue ;*.