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)
radiation problem » radiation problems (Expand search), variation problem (Expand search), realization problem (Expand search)
method radiation » method variation (Expand search), method validation (Expand search), methods mediation (Expand search)
python based » action based (Expand search)
decrease or » decrease of (Expand search), decrease on (Expand search), decrease in (Expand search)
or decrease » not decrease (Expand search), to decrease (Expand search), _ decrease (Expand search)

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( decrease OR decrease decrease processes ) OR ( python based method radiation problem ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease or decrease decrease processes ) OR ( python based method radiation problem ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease or decrease decrease processes ) OR ( python based method radiation problem ))*.