Perhaps you should try some spelling variations:
"legal environment performance series." » "legal environmental performances series.", "legal government performance series.", "legal investment performance series.", "legal environment performance studies.", "legal environment performance size.", "global environment performance series."
"local environmental performance merits." » "global environmental performance merits.", "social environmental performance merits.", "local environment performance merits.", "local environmental performance metrics.", "local environmental performance mergers.", "local environmental performance audits."

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