Perhaps you should try some spelling variations:
"c largest decrease" » "c largest decreases" (Expand Search), "c larger decrease" (Expand Search), "c marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "a largest decrease" (Expand Search), "i largest decrease" (Expand Search)
"c large decrease" » "c marked decrease" (Expand Search), "c large increases" (Expand Search), "c large degree" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "i large decrease" (Expand Search)
"n marked increase" » "_ marked increase" (Expand Search), "a marked increase" (Expand Search), "_ market increase" (Expand Search), "n marked increased" (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("c largest decrease") OR ((("c large decrease") OR ("n marked increase"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"c largest decrease\") OR (((\"c large decrease\") OR (\"n marked increase\"))))".
• Removing quotes may allow a broader search: (( c largest decrease ) OR ((( c large decrease ) OR ( n marked increase )))).
• Adding a wildcard symbol may retrieve word variants: (("c largest decrease") OR ((("c large decrease") OR ("n marked increase"))))*.