Perhaps you should try some spelling variations:
sampling method » sampling methods (Expand search)
using sampling » using subsampling (Expand search), using saline (Expand search), using samples (Expand search)
python codigo » python coding (Expand search), python code (Expand search)
method python » method method (Expand search), python python (Expand search)
coder python » compra python (Expand search)
coder coder » coder decoder (Expand search), code code (Expand search), decoder codec (Expand search)

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

• Removing quotes may allow a broader search: (( coder coder python codigo python ) OR ( using sampling method python programming ))~.