Perhaps you should try some spelling variations:
method python » method method (Expand search), python python (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (Expand search)
python based » action based (Expand search)
decrease il » decreased il (Expand search), decrease in (Expand search), decrease hiv (Expand search)
il proceso » il processo (Expand search), el proceso (Expand search), al proceso (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease AND decrease il proceso ) OR ( python based method python programming ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease and decrease il proceso ) OR ( python based method python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease and decrease il proceso ) OR ( python based method python programming ))*.