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)
frequency python » frequency method (Expand search), frequency methods (Expand search), frequency pattern (Expand search)
based frequency » band frequency (Expand search), laser frequency (Expand search), brasil frequency (Expand search)
decrease rate » decreased rate (Expand search), decreases rate (Expand search), decrease at (Expand search)
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (Expand search)
python based » action based (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 rate decrease decrease processes ) OR ( python based frequency python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease rate decrease decrease processes ) OR ( python based frequency python programming ))*.