Perhaps you should try some spelling variations:
"c marked decrease" » "c marked increase" (Expand Search), "_ marked decrease" (Expand Search), "a marked decrease" (Expand Search), "_ market decrease" (Expand Search)
"n marked decrease" » "n marked increase" (Expand Search), "_ marked decrease" (Expand Search), "a marked decrease" (Expand Search), "_ market decrease" (Expand Search)
"auc rate increased" » "auc greater increase" (Expand Search), "auc ratio increased" (Expand Search), "a rate increased" (Expand Search), "ae rate increased" (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: (("auc rate increased") OR ((("c marked decrease") OR ("n marked decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"auc rate increased\") OR (((\"c marked decrease\") OR (\"n marked decrease\"))))".
• Removing quotes may allow a broader search: (( auc rate increased ) OR ((( c marked decrease ) OR ( n marked decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("auc rate increased") OR ((("c marked decrease") OR ("n marked decrease"))))*.