Perhaps you should try some spelling variations:
"5 non decrease" » "_ non decrease" (Expand Search), "a non decrease" (Expand Search), "5 non decreased" (Expand Search), "5 non increase" (Expand Search)
"50 ms decrease" » "50 ms decreased" (Expand Search), "50 ms increase" (Expand Search)
"10 ng decrease" » "10 ng decreased" (Expand Search), "10 ng increase" (Expand Search)
"5 _ decrease" » "5 _ decreased" (Expand Search), "5 _ increase" (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 ms decrease\") OR (((\"10 ng decrease\") OR (((\"5 non decrease\") OR (\"5 _ decrease\"))))))~".
• Removing quotes may allow a broader search: (( 50 ms decrease ) OR ((( 10 ng decrease ) OR ((( 5 non decrease ) OR ( 5 _ decrease ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("50 ms decrease") OR ((("10 ng decrease") OR ((("5 non decrease") OR ("5 _ decrease"))))))*.