Perhaps you should try some spelling variations:
"5 we decrease" » "5 _ decrease" (Expand Search), "5 w_ decrease" (Expand Search), "5 w_ decreased" (Expand Search), "5 w_ decreases" (Expand Search), "_ we decrease" (Expand Search)
"_ wt decrease" » "_ _ 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)
"_ e decrease" » "_ _ decrease" (Expand Search), "_ _ decreased" (Expand Search), "_ _ decreases" (Expand Search)

Try widening your search to All Fields.

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 ((((("5 we decrease") OR ("_ wt decrease"))) OR ("_ e decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"50 a decrease\") OR (((((\"5 we decrease\") OR (\"_ wt decrease\"))) OR (\"_ e decrease\"))))".
• Removing quotes may allow a broader search: (( 50 a decrease ) OR ((((( 5 we decrease ) OR ( _ wt decrease ))) OR ( _ e decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("50 a decrease") OR ((((("5 we decrease") OR ("_ wt decrease"))) OR ("_ e decrease"))))*.