Perhaps you should try some spelling variations:
"local governments performance series." » "local government's performance series.", "local government performance series.", "local governance performance series.", "local governments performance studies.", "local governments performance size."
"global environment performance contract." » "global environmental performance contract.", "global environmental performances contract.", "global government performance contract.", "global environment performance contracts."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("local governments performance series.") or ("global environment performance contract."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("local governments performance series.") OR ("global environment performance contract."))*.
• Removing quotes may allow a broader search: (( local governments performance series. ) or ( global environment performance contract. ))*.