Perhaps you should try some spelling variations:
fed decrease » _ decrease (Expand Search)
fe decrease » _ decrease (Expand Search)
a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
i decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
_ fed » _ feed (Expand Search)
50 i » 10 i (Expand Search), 5 i (Expand Search), 50 _ (Expand Search)
_ fe » _ e (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: "(((( 5 a decrease ) OR ( 50 i decrease ))) OR ((( _ fe decrease ) OR ( _ fed decrease ))))~".
• Adding a wildcard symbol may retrieve word variants: (((( 5 a decrease ) OR ( 50 i decrease ))) OR ((( _ fe decrease ) OR ( _ fed decrease ))))*.