Perhaps you should try some spelling variations:
"improving macro performance contract." » "improving macro performance contracts.", "improving care performance contract.", "improving crop performance contract.", "improving market performance contract.", "improving air performance contract.", "improving co performance contract."
"improving local performance series." » "improving local performance metrics.", "improving local performance reviews.", "improving local performance review.", "improving social performance series.", "improving loan performance series.", "improving fiscal performance series.", "improving global performance series."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("improving local performance series.") OR ("improving macro performance contract."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"improving local performance series.\") OR (\"improving macro performance contract.\"))".
• Removing quotes may allow a broader search: (( improving local performance series. ) OR ( improving macro performance contract. )).
• Adding a wildcard symbol may retrieve word variants: (("improving local performance series.") OR ("improving macro performance contract."))*.