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 altered decrease" » "significantly elevated decrease" (Expand Search), "significantly lower decrease" (Expand Search), "significantly reduced decrease" (Expand Search), "significantly altered release" (Expand Search), "significantly observed 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 altered decrease") OR ("significantly affected decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"significantly altered decrease\") OR (\"significantly affected decrease\"))*".
• Removing quotes may allow a broader search: (( significantly altered decrease ) OR ( significantly affected decrease ))*.