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