Perhaps you should try some spelling variations:
"global government performance system." » "global environmental performance system.", "global government performance states.", "global government performance sse3.", "global government performance instead.", "local government performance system.", "local governments performance system.", "total government performance system."
"legal investment insurance issues." » "legal investment finance issues.", "real investment insurance issues.", "local investment insurance issues.", "global investment insurance issues.", "legal investment insurance values.", "legal investment insurance based."

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

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