Perhaps you should try some spelling variations:
pair programming » and programming (Expand search), based programming (Expand search), conic programming (Expand search)
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)
decrease pair » decreases pain (Expand search), decrease their (Expand search), decrease in (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease in (Expand search)
or decrease » of decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

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

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