Perhaps you should try some spelling variations:
"c values increased" » "c cases increased" (Expand Search), "c also increased" (Expand Search), "c rate increased" (Expand Search), "ct values increased" (Expand Search), "_ values increased" (Expand Search), "i values increased" (Expand Search)
"a largest decrease" » "a largest decreases" (Expand Search), "a larger decrease" (Expand Search), "a marked decrease" (Expand Search), "_ largest decrease" (Expand Search), "a large decrease" (Expand Search), "a latest decrease" (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)

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: (("c values increased") OR ((("a largest decrease") OR ("c large decrease"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"c values increased\") OR (((\"a largest decrease\") OR (\"c large decrease\"))))".
• Removing quotes may allow a broader search: (( c values increased ) OR ((( a largest decrease ) OR ( c large decrease )))).
• Adding a wildcard symbol may retrieve word variants: (("c values increased") OR ((("a largest decrease") OR ("c large decrease"))))*.