Perhaps you should try some spelling variations:
"c largest decrease" » "c larger decrease" (Expand Search), "c marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "a largest decrease" (Expand Search), "b largest decrease" (Expand Search)
"c large increases" » "c marked increases" (Expand Search), "c age increased" (Expand Search), "_ large increases" (Expand Search), "a large increases" (Expand Search), "b large increases" (Expand Search)
"c large decrease" » "c larger decrease" (Expand Search), "c marked decrease" (Expand Search), "c large degree" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "b large 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: (("c largest decrease") OR ((("c large decrease") OR ("c large increases"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"c largest decrease\") OR (((\"c large decrease\") OR (\"c large increases\"))))".
• Removing quotes may allow a broader search: (( c largest decrease ) OR ((( c large decrease ) OR ( c large increases )))).
• Adding a wildcard symbol may retrieve word variants: (("c largest decrease") OR ((("c large decrease") OR ("c large increases"))))*.