Perhaps you should try some spelling variations:
"c largest decrease" » "c larger decrease" (Expand Search), "c marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "c large decrease" (Expand Search)
"ct values increased" » "ct cases increased" (Expand Search), "ct dalys increased" (Expand Search), "ct also increased" (Expand Search), "_ values increased" (Expand Search), "i values increased" (Expand Search)
"ct values decrease" » "_ 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: (("c largest decrease") OR ((("ct values decrease") OR ("ct values increased"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"c largest decrease\") OR (((\"ct values decrease\") OR (\"ct values increased\"))))".
• Removing quotes may allow a broader search: (( c largest decrease ) OR ((( ct values decrease ) OR ( ct values increased )))).
• Adding a wildcard symbol may retrieve word variants: (("c largest decrease") OR ((("ct values decrease") OR ("ct values increased"))))*.