Perhaps you should try some spelling variations:
"c marked decrease" » "c marked increase" (Expand Search), "_ marked decrease" (Expand Search), "a marked decrease" (Expand Search), "n marked decrease" (Expand Search)
"c care increased" » "c cases increased" (Expand Search), "c rate increased" (Expand Search), "c age increased" (Expand Search), "_ care increased" (Expand Search), "ncd care increased" (Expand Search)
"c large decrease" » "c large increases" (Expand Search), "c large degree" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "i large 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: (((("c marked decrease") OR ("c care increased"))) OR ("c large decrease"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"c marked decrease\") OR (\"c care increased\"))) OR (\"c large decrease\"))*".
• Removing quotes may allow a broader search: (((( c marked decrease ) OR ( c care increased ))) OR ( c large decrease ))*.