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), "_ 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)
"i large increase" » "i large increases" (Expand Search), "i marked increase" (Expand Search), "_ large increase" (Expand Search), "via large increase" (Expand Search), "i larvae 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 (\"i large increase\"))~".
• Removing quotes may allow a broader search: (((( b large decrease ) OR ( a large decrease ))) OR ( i large increase ))~.
• Adding a wildcard symbol may retrieve word variants: (((("b large decrease") OR ("a large decrease"))) OR ("i large increase"))*.