Perhaps you should try some spelling variations:
"b marked increased" » "b marked increase" (Expand Search), "b marked increases" (Expand Search), "b marked decrease" (Expand Search), "_ marked increased" (Expand Search), "a marked increased" (Expand Search), "_ market increased" (Expand Search)
"a large decrease" » "a marked decrease" (Expand Search), "a large increases" (Expand Search), "a large degree" (Expand Search), "_ large decrease" (Expand Search)
"i large decrease" » "i marked decrease" (Expand Search), "i large increases" (Expand Search), "i large degree" (Expand Search), "_ large decrease" (Expand Search), "via large decrease" (Expand Search), "i larvae 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: (((("a large decrease") OR ("i large decrease"))) OR ("b marked increased"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a large decrease\") OR (\"i large decrease\"))) OR (\"b marked increased\"))".
• Removing quotes may allow a broader search: (((( a large decrease ) OR ( i large decrease ))) OR ( b marked increased )).
• Adding a wildcard symbol may retrieve word variants: (((("a large decrease") OR ("i large decrease"))) OR ("b marked increased"))*.