Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), defense processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
nations programme » national programme (Expand search), action programme (Expand search), national program (Expand search)
methods nations » method national (Expand search), methods action (Expand search), methods foundations (Expand search)
decrease ratio » decreased ratio (Expand search), decrease at (Expand search), decreased rate (Expand search)
ratio decrease » rate decrease (Expand search), to decrease (Expand search), rats decreases (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease ratio decrease decrease processes ) OR ( python AND methods nations programme ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease ratio decrease decrease processes ) OR ( python AND methods nations programme ))*.