Perhaps you should try some spelling variations:
decrease spiral » decrease survival (Expand search), decrease striatal (Expand search), decrease visceral (Expand search)
price increases » price increase (Expand search), mice increases (Expand search), juice increases (Expand search)
spiral patterns » spiral pattern (Expand search), spectral patterns (Expand search), spatial patterns (Expand search)
decrease price » decrease pro (Expand search), decrease risk (Expand search)
increases can » increases an (Expand search), increases corn (Expand search), increases and (Expand search)
can decrease » can increase (Expand search), to decrease (Expand search), the decrease (Expand search)
decrease and » decreases and (Expand search), decrease in (Expand search), decrease of (Expand search)
and decrease » and decreases (Expand search), and decreased (Expand search), and increase (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 price increases can decrease ) OR ( decrease AND decrease spiral patterns ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( decrease price increases can decrease ) OR ( decrease and decrease spiral patterns ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease price increases can decrease ) OR ( decrease and decrease spiral patterns ))*.