Perhaps you should try some spelling variations:
"weak enforcement governance issues." » "weak empowerment governance issues.", "weak environmental governance issues.", "law enforcement governance issues.", "tax enforcement governance issues.", "_ enforcement governance issues."
"global environmental performance series." » "global environment performance series.", "legal environment performance series.", "global environmental performance metrics.", "global environmental performance reviews.", "global environmental performance review."

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