Perhaps you should try some spelling variations:
"significantly affected decrease" » "significantly associated decrease" (Expand Search), "significantly reduced decrease" (Expand Search), "significant effect decrease" (Expand Search), "significantly affected areas" (Expand Search), "significantly effects decreased" (Expand Search)
"significantly linked decrease" » "significantly longer decrease" (Expand Search), "significantly altered decrease" (Expand Search), "significantly higher decrease" (Expand Search), "significantly marked decrease" (Expand Search), "significantly linear 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 linked decrease") OR ("significantly affected decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"significantly linked decrease\") OR (\"significantly affected decrease\"))*".
• Removing quotes may allow a broader search: (( significantly linked decrease ) OR ( significantly affected decrease ))*.