Perhaps you should try some spelling variations:
"i wt decrease" » "i _ decrease" (Expand Search), "i et decrease" (Expand Search), "2 wt decrease" (Expand Search)
"_ wt decrease" » "_ _ decrease" (Expand Search)
"50 we decrease" » "50 _ 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("50 a decrease") OR ((("i wt decrease") OR ("_ wt decrease"))))) OR ("50 we decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"50 a decrease\") OR (((\"i wt decrease\") OR (\"_ wt decrease\"))))) OR (\"50 we decrease\"))*".
• Removing quotes may allow a broader search: (((( 50 a decrease ) OR ((( i wt decrease ) OR ( _ wt decrease ))))) OR ( 50 we decrease ))*.