Perhaps you should try some spelling variations:
"i largest decrease" » "i larger decrease" (Expand Search), "i marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "i large decrease" (Expand Search)
"b large increases" » "b marked increases" (Expand Search), "b age increased" (Expand Search), "_ large increases" (Expand Search), "a large increases" (Expand Search), "_ larger increases" (Expand Search)
"b large decrease" » "b larger decrease" (Expand Search), "b marked decrease" (Expand Search), "b large degree" (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.

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