Perhaps you should try some spelling variations:
"c2 cases increased" » "c2 rate increased" (Expand Search), "c2 levels increased" (Expand Search), "152 cases increased" (Expand Search), "chd cases increased" (Expand Search), "123 cases increased" (Expand Search)
"c large decrease" » "c marked decrease" (Expand Search), "c large increases" (Expand Search), "c large degree" (Expand Search), "_ large decrease" (Expand Search), "a large decrease" (Expand Search), "i large decrease" (Expand Search)
"via large decrease" » "via marked decrease" (Expand Search), "via large increases" (Expand Search), "via large degree" (Expand Search), "a 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 large decrease") OR ("via large decrease"))) OR ("c2 cases increased"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"c large decrease\") OR (\"via large decrease\"))) OR (\"c2 cases increased\"))".
• Removing quotes may allow a broader search: (((( c large decrease ) OR ( via large decrease ))) OR ( c2 cases increased )).
• Adding a wildcard symbol may retrieve word variants: (((("c large decrease") OR ("via large decrease"))) OR ("c2 cases increased"))*.