Perhaps you should try some spelling variations:
"ct values decrease" » "ct values increased" (Expand Search), "ct largest decrease" (Expand Search), "_ values decrease" (Expand Search), "i values decrease" (Expand Search)
"c cases increased" » "c levels increased" (Expand Search), "c cycles increases" (Expand Search), "ic cases increased" (Expand Search), "c2 cases increased" (Expand Search), "_ cases increased" (Expand Search)
"c larger decrease" » "c marked decrease" (Expand Search), "_ larger decrease" (Expand Search), "c large decrease" (Expand Search), "_ large decrease" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ct values decrease\") OR (\"c cases increased\"))) OR (\"c larger decrease\"))~".
• Removing quotes may allow a broader search: (((( ct values decrease ) OR ( c cases increased ))) OR ( c larger decrease ))~.
• Adding a wildcard symbol may retrieve word variants: (((("ct values decrease") OR ("c cases increased"))) OR ("c larger decrease"))*.