Perhaps you should try some spelling variations:
decrease processes » disease processes (Expand search), decay processes (Expand search)
decrease decrease » decrease release (Expand search), disease decreases (Expand search), decrease sucrose (Expand search)
portion python » portugol python (Expand search), piton python (Expand search), python python (Expand search)
python program » action program (Expand search), python programming (Expand search)
root portion » root formation (Expand search), root perforation (Expand search), root exploration (Expand search)
python root » python tools (Expand search), pythium root (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 _ decrease decrease processes ) OR ( python root portion python program ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease _ decrease decrease processes ) OR ( python root portion python program ))*.