Perhaps you should try some spelling variations:
"c larger decrease" » "c marked decrease" (Expand Search), "_ larger decrease" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "a larger decrease" (Expand Search), "i larger decrease" (Expand Search)
"b large decrease" » "b marked decrease" (Expand Search), "b large increases" (Expand Search), "b large degree" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "_ larger 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)

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

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