Perhaps you should try some spelling variations:
"_ fe decrease" » "_ e decrease" (Expand Search), "_ fe decreased" (Expand Search), "_ fe increase" (Expand Search)
"50 a decrease" » "50 a decreased" (Expand Search), "50 a increase" (Expand Search)
"100 nm decrease" » "100 nm decreased" (Expand Search), "100 nm increase" (Expand Search)
"_ breast decrease" » "_ breast decreased" (Expand Search), "_ breast increase" (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 ((("100 nm decrease") OR ((("_ breast decrease") OR ("_ fe decrease"))))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"50 a decrease\") OR (((\"100 nm decrease\") OR (((\"_ breast decrease\") OR (\"_ fe decrease\"))))))".
• Removing quotes may allow a broader search: (( 50 a decrease ) OR ((( 100 nm decrease ) OR ((( _ breast decrease ) OR ( _ fe decrease )))))).
• Adding a wildcard symbol may retrieve word variants: (("50 a decrease") OR ((("100 nm decrease") OR ((("_ breast decrease") OR ("_ fe decrease"))))))*.