Perhaps you should try some spelling variations:
python sampling » method sampling (Expand search), thin sampling (Expand search), methods sampling (Expand search)
sampling python » sampling method (Expand search), sampling position (Expand search), sampling methods (Expand search)
at programming » arts programming (Expand search), data programming (Expand search), and programming (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease std » decrease sod (Expand search), decrease and (Expand search), decrease its (Expand search)
std decrease » to decrease (Expand search), and decrease (Expand search), spp decrease (Expand search)
decrease at » decrease akt (Expand search), decrease and (Expand search), decrease in (Expand search)

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

• Removing quotes may allow a broader search: (( decrease std decrease at programming ) OR ( python sampling python python programming ))~.