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