Perhaps you should try some spelling variations:
"5 non decrease" » "5 nn decrease" (Expand Search), "5 point decrease" (Expand Search), "5 note decreased" (Expand Search), "5 nonn decrease" (Expand Search), "5 no_ decrease" (Expand Search), "5 noa decrease" (Expand Search), "a non decrease" (Expand Search), "e non decrease" (Expand Search), "3 non decrease" (Expand Search), "15 non decrease" (Expand Search), "5 nmon decrease" (Expand Search)
"_ non decrease" » "_ nn decrease" (Expand Search), "_ point decrease" (Expand Search), "_ note decreased" (Expand Search), "_ nonn decrease" (Expand Search), "_ no_ decrease" (Expand Search), "_ noa decrease" (Expand Search)
"5 n decrease" » "5 nn decrease" (Expand Search), "5 _ decrease" (Expand Search), "5 a decrease" (Expand Search), "15 n decrease" (Expand Search), "5 nm decrease" (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 n decrease\") OR (((\"5 non decrease\") OR (\"_ non decrease\"))))~".
• Removing quotes may allow a broader search: (( 5 n decrease ) OR ((( 5 non decrease ) OR ( _ non decrease ))))~.
• Adding a wildcard symbol may retrieve word variants: (("5 n decrease") OR ((("5 non decrease") OR ("_ non decrease"))))*.