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

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

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