Perhaps you should try some spelling variations:
invocation programmes » innovation programme (Expand search), education programmes (Expand search), education programme (Expand search)
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)
python mixed » python based (Expand search), ration mixed (Expand search), proton mixed (Expand search)
mixed method » mixed methods (Expand search), based method (Expand search)
decrease of » decrease in (Expand search)
of decrease » or decrease (Expand search), not decrease (Expand search), to decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease of decrease decrease processes ) OR ( python mixed method invocation programmes ))~.