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)
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (Expand search)
piton python » pitons python (Expand search), in python (Expand search), with python (Expand search)
python and » python based (Expand search)
root rate » root water (Expand search), root ratio (Expand search), root rot (Expand search)
and piton » and piston (Expand search), and pion (Expand search), and iton (Expand search)

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

• Removing quotes may allow a broader search: (( root rate decrease decrease processes ) OR ( python and piton python programming ))~.