Perhaps you should try some spelling variations:
"c2 cases increased" » "c2 levels increased" (Expand Search), "c2 cycles increases" (Expand Search), "822 cases increased" (Expand Search), "629 cases increased" (Expand Search), "123 cases increased" (Expand Search)
"auc values decrease" » "auc values increased" (Expand Search), "auc largest decrease" (Expand Search)
"ct values decrease" » "ct values increased" (Expand Search), "ct largest decrease" (Expand Search), "_ values decrease" (Expand Search), "i values 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: (((("c2 cases increased") OR ("auc values decrease"))) OR ("ct values decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"c2 cases increased\") OR (\"auc values decrease\"))) OR (\"ct values decrease\"))".
• Removing quotes may allow a broader search: (((( c2 cases increased ) OR ( auc values decrease ))) OR ( ct values decrease )).
• Adding a wildcard symbol may retrieve word variants: (((("c2 cases increased") OR ("auc values decrease"))) OR ("ct values decrease"))*.