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