Perhaps you should try some spelling variations:
"legal environment performance metrics." » "legal environmental performance metrics.", "legal environmental performances metrics.", "legal investment performance metrics.", "legal environment performance measures.", "global environment performance metrics."
"global government performance series." » "global environmental performance series.", "global government performance studies.", "global government performance size.", "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 government performance series.") OR ("legal environment performance metrics."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"global government performance series.\") OR (\"legal environment performance metrics.\"))*".
• Removing quotes may allow a broader search: (( global government performance series. ) OR ( legal environment performance metrics. ))*.