Perhaps you should try some spelling variations:
"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), "i larvae 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)
"a case increased" » "a cases increased" (Expand Search), "a care increased" (Expand Search), "a causes increased" (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: (((("i large decrease") OR ("via large decrease"))) OR ("a case increased"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"i large decrease\") OR (\"via large decrease\"))) OR (\"a case increased\"))".
• Removing quotes may allow a broader search: (((( i large decrease ) OR ( via large decrease ))) OR ( a case increased )).
• Adding a wildcard symbol may retrieve word variants: (((("i large decrease") OR ("via large decrease"))) OR ("a case increased"))*.