Perhaps you should try some spelling variations:
"auc cases increased" » "auc rate increased" (Expand Search), "auc levels increased" (Expand Search), "all cases increased" (Expand Search), "ad cases increased" (Expand Search), "aaa cases increased" (Expand Search)
"b large decrease" » "b marked decrease" (Expand Search), "b large increases" (Expand Search), "b large degree" (Expand Search), "_ large decrease" (Expand Search), "i large decrease" (Expand Search), "_ larger decrease" (Expand Search)
"a large decrease" » "a marked decrease" (Expand Search), "a large increases" (Expand Search), "a large degree" (Expand Search), "_ large 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: (("auc cases increased") OR ((("b large decrease") OR ("a large decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"auc cases increased\") OR (((\"b large decrease\") OR (\"a large decrease\"))))".
• Removing quotes may allow a broader search: (( auc cases increased ) OR ((( b large decrease ) OR ( a large decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("auc cases increased") OR ((("b large decrease") OR ("a large decrease"))))*.