Perhaps you should try some spelling variations:
"ct largest decrease" » "ct largest decreases" (Expand Search), "ct larger decrease" (Expand Search), "ct marked decrease" (Expand Search), "_ largest decrease" (Expand Search)
"c cases increased" » "c rate increased" (Expand Search), "c levels increased" (Expand Search), "ic cases increased" (Expand Search), "_ cases increased" (Expand Search), "3 cases increased" (Expand Search)
"_ large decrease" » "_ marked decrease" (Expand Search), "_ large increases" (Expand Search), "_ large degree" (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: "((((\"_ large decrease\") OR (\"ct largest decrease\"))) OR (\"c cases increased\"))~".
• Removing quotes may allow a broader search: (((( _ large decrease ) OR ( ct largest decrease ))) OR ( c cases increased ))~.
• Adding a wildcard symbol may retrieve word variants: (((("_ large decrease") OR ("ct largest decrease"))) OR ("c cases increased"))*.