Perhaps you should try some spelling variations:
"a point decrease" » "a point increase" (Expand Search), "_ point decrease" (Expand Search), "5 point decrease" (Expand Search), "_ points decrease" (Expand Search)
"5 non decrease" » "5 nn decrease" (Expand Search), "5 note decreased" (Expand Search), "5 fold decrease" (Expand Search), "_ non decrease" (Expand Search), "a non decrease" (Expand Search), "e non decrease" (Expand Search)
"5 nm decrease" » "5 nn decrease" (Expand Search), "5 _ decrease" (Expand Search), "5 we decrease" (Expand Search), "5 mm decrease" (Expand Search), "5 cm decrease" (Expand Search)
"5 a decrease" » "5 _ decrease" (Expand Search), "5 _ decreased" (Expand Search), "5 _ decreases" (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 (((((\"5 non decrease\") OR (\"a point decrease\"))) OR (\"5 nm decrease\"))))~".
• Removing quotes may allow a broader search: (( 5 a decrease ) OR ((((( 5 non decrease ) OR ( a point decrease ))) OR ( 5 nm decrease ))))~.
• Adding a wildcard symbol may retrieve word variants: (("5 a decrease") OR ((((("5 non decrease") OR ("a point decrease"))) OR ("5 nm decrease"))))*.