Perhaps you should try some spelling variations:
physical pathways » political pathways (Expand search), photophysical pathways (Expand search), critical pathways (Expand search)
decrease physical » increase physical (Expand search), increased physical (Expand search), increases physical (Expand search)
not decrease » not increase (Expand search), and decrease (Expand search), _ decrease (Expand search)
decrease not » decrease at (Expand search), decrease akt (Expand search), decrease toc (Expand search)
decrease of » decrease in (Expand search)
of decree » of degree (Expand search)
decree to » decree n.o (Expand search), decree _ (Expand search), decree n (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 of decree to decrease ) OR ( decrease NOT decrease physical pathways ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease of decree to decrease ) OR ( decrease not decrease physical pathways ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease of decree to decrease ) OR ( decrease not decrease physical pathways ))*.