Perhaps you should try some spelling variations:
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
decrease std » decrease sod (Expand search), decrease and (Expand search), decrease at (Expand search)
std decrease » to decrease (Expand search), and decrease (Expand search), spp decrease (Expand search)
risk program » rsk program (Expand search), rise program (Expand search), milk program (Expand search)
python c » python _ (Expand search)
c python » _ python (Expand search), in python (Expand search), of python (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 risk program ) OR ( python c python python programming ))~.