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