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

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

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