Perhaps you should try some spelling variations:
largest decrease » larger decrease (Expand Search)
marked decrease » marked increase (Expand Search)
large decrease » larger decrease (Expand Search), large increases (Expand Search), large degree (Expand Search)
a largest » _ largest (Expand Search), a large (Expand Search), a latest (Expand Search)
a marked » _ marked (Expand Search), a marker (Expand Search), a market (Expand Search)
b large » _ large (Expand Search), a large (Expand Search), _ larger (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: "(( a marked decrease ) OR ((( b large decrease ) OR ( a largest decrease ))))~".
• Adding a wildcard symbol may retrieve word variants: (( a marked decrease ) OR ((( b large decrease ) OR ( a largest decrease ))))*.