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

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

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