Perhaps you should try some spelling variations:
"global environment performance metrics." » "global environmental performance metrics.", "global environmental performances metrics.", "global investment performance metrics.", "global environment performance contracts.", "global environment performance measures.", "global environment performance contract."
"global government performance series." » "global environmental performance series.", "global government performance reviews.", "global government performance review.", "global government performance targets.", "local government performance series.", "local governments performance series.", "total government 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: (("global environment performance metrics.") or ("global government performance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("global environment performance metrics.") OR ("global government performance series."))*.
• Removing quotes may allow a broader search: (( global environment performance metrics. ) or ( global government performance series. ))*.