Perhaps you should try some spelling variations:
"legal environment performance metrics." » "legal environmental performances metrics.", "legal government performance metrics.", "legal investment performance metrics.", "legal environment performance measures.", "global environment performance metrics."
"better environmental performance series." » "between environmental performance series.", "better environmental performance studies.", "better environmental performance size."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("legal environment performance metrics.") or ("better environmental performance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal environment performance metrics.") OR ("better environmental performance series.")).
• Removing quotes may allow a broader search: (( legal environment performance metrics. ) or ( better environmental performance series. )).
• Adding a wildcard symbol may retrieve word variants: (("legal environment performance metrics.") or ("better environmental performance series."))*.