Perhaps you should try some spelling variations:
"a largest decrease" » "a larger decrease" (Expand Search), "a marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "a large decrease" (Expand Search), "a latest decrease" (Expand Search)
"i values decrease" » "i values increased" (Expand Search), "_ values decrease" (Expand Search)
"i large decrease" » "i larger decrease" (Expand Search), "i marked decrease" (Expand Search), "i large increases" (Expand Search), "ai large decrease" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("i values decrease") OR ((("a largest decrease") OR ("i large decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"i values decrease\") OR (((\"a largest decrease\") OR (\"i large decrease\"))))".
• Removing quotes may allow a broader search: (( i values decrease ) OR ((( a largest decrease ) OR ( i large decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("i values decrease") OR ((("a largest decrease") OR ("i large decrease"))))*.