Perhaps you should try some spelling variations:
python codigos » python codigo (Expand search), python coding (Expand search), vpython colisoes (Expand search)
codigos python » codigo python (Expand search)
decrease when » decrease the (Expand search), decreases wheat (Expand search), decrease their (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
when program » women program (Expand search), open program (Expand search), ten program (Expand search)
decrease by » decreased by (Expand search), decrease in (Expand search), decrease of (Expand search)
by decrease » by decreased (Expand search), may decrease (Expand search), any decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease by decrease when program ) OR ( python codigos python python programming ))~.