Perhaps you should try some spelling variations:
"b large decrease" » "b marked decrease" (Expand Search), "b large increases" (Expand Search), "b large degree" (Expand Search), "_ large decrease" (Expand Search), "i large decrease" (Expand Search), "_ larger decrease" (Expand Search)
"a large decrease" » "a marked decrease" (Expand Search), "a large increases" (Expand Search), "a large degree" (Expand Search), "_ large decrease" (Expand Search)
"c large increase" » "c large increases" (Expand Search), "c marked increase" (Expand Search), "_ large increase" (Expand Search), "i large increase" (Expand Search), "_ larger increase" (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: "((((\"b large decrease\") OR (\"a large decrease\"))) OR (\"c large increase\"))~".
• Removing quotes may allow a broader search: (((( b large decrease ) OR ( a large decrease ))) OR ( c large increase ))~.
• Adding a wildcard symbol may retrieve word variants: (((("b large decrease") OR ("a large decrease"))) OR ("c large increase"))*.