Perhaps you should try some spelling variations:
"50 nn decrease" » "50 _ decrease" (Expand Search)
"5 mg decrease" » "5 _ decrease" (Expand Search), "25 mg decrease" (Expand Search), "_ mg decrease" (Expand Search), "5 g decrease" (Expand Search)
"5 we decrease" » "5 _ decrease" (Expand Search), "_ we 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: "((\"50 nn decrease\") OR (((\"5 mg decrease\") OR (((\"5 we decrease\") OR (\"5 a decrease\"))))))~".
• Removing quotes may allow a broader search: (( 50 nn decrease ) OR ((( 5 mg decrease ) OR ((( 5 we decrease ) OR ( 5 a decrease ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("50 nn decrease") OR ((("5 mg decrease") OR ((("5 we decrease") OR ("5 a decrease"))))))*.