Perhaps you should try some spelling variations:
decrease ratio » decreased ratio (Expand search), decrease at (Expand search), decreased rate (Expand search)
ratio decrease » to decrease (Expand search), rats decreases (Expand search)
decrease basic » disease basic (Expand search), decrease asian (Expand search), decreased base (Expand search)
basic programa » basico programa (Expand search), brasil programa (Expand search), fisica programa (Expand search)
method python » method method (Expand search), python python (Expand search)
python code » python coding (Expand search), python redes (Expand search)
code method » cone method (Expand search), core method (Expand search), cod method (Expand search)

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

• Removing quotes may allow a broader search: (( decrease ratio decrease basic programa ) OR ( python code method python programming ))~.