Perhaps you should try some spelling variations:
"significantly prevented decrease" » "significantly predicted decrease" (Expand Search), "significantly elevated decrease" (Expand Search), "significantly related decrease" (Expand Search), "significantly prevented disease" (Expand Search), "significantly reported decrease" (Expand Search), "significantly prevalence decreased" (Expand Search)
"significantly lower decrease" » "significantly higher decrease" (Expand Search), "significantly larger decrease" (Expand Search), "significantly linear decrease" (Expand Search), "significantly teer decrease" (Expand Search)

You may be able to get more results by adjusting your search query.

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