Perhaps you should try some spelling variations:
python codigo » python coding (Expand search), python code (Expand search)
decrease risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease toc » decrease of (Expand search), decrease the (Expand search), decrease on (Expand search)
toc decrease » to decrease (Expand search), the decrease (Expand search), not decrease (Expand search)
risk program » rsk program (Expand search), rise program (Expand search), milk program (Expand search)

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

• Removing quotes may allow a broader search: (( decrease toc decrease risk program ) OR ( python codigo python python programming ))~.