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