Perhaps you should try some spelling variations:
"_ largest decrease" » "_ largest decreases" (Expand Search), "_ larger decrease" (Expand Search), "_ marked decrease" (Expand Search), "_ large decrease" (Expand Search)
"i values decrease" » "i values increased" (Expand Search), "_ values decrease" (Expand Search)
"i cases increased" » "i rate increased" (Expand Search), "i levels increased" (Expand Search), "_ cases increased" (Expand Search), "3 cases increased" (Expand Search), "8 cases increased" (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: "((((\"i values decrease\") OR (\"_ largest decrease\"))) OR (\"i cases increased\"))~".
• Removing quotes may allow a broader search: (((( i values decrease ) OR ( _ largest decrease ))) OR ( i cases increased ))~.
• Adding a wildcard symbol may retrieve word variants: (((("i values decrease") OR ("_ largest decrease"))) OR ("i cases increased"))*.