Perhaps you should try some spelling variations:
decrease survival » decreased survival (Expand search), decreases survival (Expand search), increase survival (Expand search)
survival classes » survival case (Expand search), survival chances (Expand search), survival analyses (Expand search)
decrease price » decrease risk (Expand search)
price decrease » price increase (Expand search), juice decreases (Expand search), price increases (Expand search)
decrease pro » decrease or (Expand search), decrease food (Expand search), decrease treg (Expand search)
pro decrease » to decrease (Expand search), or decrease (Expand search), term decrease (Expand search)
decrease the » decreases the (Expand search), decrease in (Expand search), decrease of (Expand search)
the decrease » to decrease (Expand search), and decrease (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 pro decrease price decrease ) OR ( decrease the decrease survival classes ))~".
• Adding a wildcard symbol may retrieve word variants: (( decrease pro decrease price decrease ) OR ( decrease the decrease survival classes ))*.