Perhaps you should try some spelling variations:
nn decrease » a decrease (Expand Search), mean decrease (Expand Search), gy decreased (Expand Search)
ns decrease » a decrease (Expand Search), we decrease (Expand Search), use decreased (Expand Search)
c decrease » c decreased (Expand Search), a decrease (Expand Search), rc decreased (Expand Search)
_ decrease » _ decreased (Expand Search)
50 nn » 50 ng (Expand Search), 50 n (Expand Search), 59 nn (Expand Search)
50 ns » 50 ms (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: "(( 50 nn decrease ) OR ((( 50 ((c decrease) OR (_ decrease)) ) OR ( 50 ns decrease ))))~".
• Adding a wildcard symbol may retrieve word variants: (( 50 nn decrease ) OR ((( 50 ((c decrease) OR (_ decrease)) ) OR ( 50 ns decrease ))))*.