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