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 risk » decreased risk (Expand search), increase risk (Expand search), decrease in (Expand search)
risk decrease » risk decreases (Expand search), risk increase (Expand search), break decrease (Expand search)
and programme » and programmes (Expand search), and programmed (Expand search), and programs (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)

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

• Removing quotes may allow a broader search: (( decrease risk decrease and programme ) OR ( python codigos python python programming ))~.