Perhaps you should try some spelling variations:
sampling sample » samplings example (Expand search), sampling scale (Expand search), sample sample (Expand search)
system decrease » system decreases (Expand search), system increase (Expand search), symptom decrease (Expand search)
sample python » simple python (Expand search), sample paths (Expand search)
python system » action system (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
of python » _ python (Expand search), in python (Expand search)

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

• Removing quotes may allow a broader search: (( sampling sample python system decrease ) OR ( of python python python programming ))~.