Perhaps you should try some spelling variations:
"significantly increases decrease" » "significantly increased decrease" (Expand Search), "significantly increase decrease" (Expand Search), "significant increases decrease" (Expand Search), "significantly increased release" (Expand Search)
"significantly weaker decrease" » "significantly greater decrease" (Expand Search), "significantly better decrease" (Expand Search), "significantly related decrease" (Expand Search), "significantly teer decrease" (Expand Search), "significantly water decreases" (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: "((\"significantly weaker decrease\") OR (\"significantly increases decrease\"))~".
• Removing quotes may allow a broader search: (( significantly weaker decrease ) OR ( significantly increases decrease ))~.
• Adding a wildcard symbol may retrieve word variants: (("significantly weaker decrease") OR ("significantly increases decrease"))*.