Perhaps you should try some spelling variations:
"legal enforcement governance issues." » "legal efficient governance issues.", "legal empowerment governance issues.", "law enforcement governance issues.", "weak enforcement governance issues.", "legal environment governance issues."
"global environmental performance issues." » "global environment performance issues.", "global environmental performance index."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("legal enforcement governance issues.") OR ("global environmental performance issues."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"legal enforcement governance issues.\") OR (\"global environmental performance issues.\"))".
• Removing quotes may allow a broader search: (( legal enforcement governance issues. ) OR ( global environmental performance issues. )).
• Adding a wildcard symbol may retrieve word variants: (("legal enforcement governance issues.") OR ("global environmental performance issues."))*.