Perhaps you should try some spelling variations:
"_ non decrease" » "_ _ decrease" (Expand Search)
"k nn decrease" » "k _ decrease" (Expand Search)
"e point decrease" » "_ point decrease" (Expand Search), "a point decrease" (Expand Search), "dew point decrease" (Expand Search)
"5 point decrease" » "_ point decrease" (Expand Search), "a point decrease" (Expand Search), "3d point 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: "((\"k nn decrease\") OR (((\"_ non decrease\") OR (((\"e point decrease\") OR (\"5 point decrease\"))))))~".
• Removing quotes may allow a broader search: (( k nn decrease ) OR ((( _ non decrease ) OR ((( e point decrease ) OR ( 5 point decrease ))))))~.
• Adding a wildcard symbol may retrieve word variants: (("k nn decrease") OR ((("_ non decrease") OR ((("e point decrease") OR ("5 point decrease"))))))*.