Perhaps you should try some spelling variations:
"significantly related decrease" » "significantly correlated decrease" (Expand Search), "significantly elevated decrease" (Expand Search), "significantly reduced decrease" (Expand Search), "significantly reported decrease" (Expand Search), "significantly related disease" (Expand Search), "significantly greater decrease" (Expand Search)
"significantly better decrease" » "significantly greater decrease" (Expand Search), "significantly higher decrease" (Expand Search), "significantly lower decrease" (Expand Search), "significantly teer decrease" (Expand Search), "significantly between decreased" (Expand Search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("significantly better decrease") OR ("significantly related decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"significantly better decrease\") OR (\"significantly related decrease\"))".
• Removing quotes may allow a broader search: (( significantly better decrease ) OR ( significantly related decrease )).
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