Perhaps you should try some spelling variations:
"50 we decrease" » "50 _ decrease" (Expand Search), "50 nn decrease" (Expand Search), "50 mean decrease" (Expand Search)
"50 ms decrease" » "50 _ decrease" (Expand Search), "50 nn decrease" (Expand Search), "50 mean decrease" (Expand Search), "50 mg decrease" (Expand Search), "50 mm decrease" (Expand Search)
"50 a decrease" » "50 _ decrease" (Expand Search), "50 _ decreased" (Expand Search), "50 _ decreases" (Expand Search), "50 μ decrease" (Expand Search), "50 c decrease" (Expand Search)
"5 g decrease" » "5 _ decrease" (Expand Search), "5 gy decreased" (Expand Search), "5 _ decreased" (Expand Search), "5 mg decrease" (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 ((((("50 we decrease") OR ("50 ms decrease"))) OR ("5 g decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"50 a decrease\") OR (((((\"50 we decrease\") OR (\"50 ms decrease\"))) OR (\"5 g decrease\"))))".
• Removing quotes may allow a broader search: (( 50 a decrease ) OR ((((( 50 we decrease ) OR ( 50 ms decrease ))) OR ( 5 g decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("50 a decrease") OR ((((("50 we decrease") OR ("50 ms decrease"))) OR ("5 g decrease"))))*.