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