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