Perhaps you should try some spelling variations:
"global enforcement governance series." » "global environmental governance series.", "legal enforcement governance series.", "law enforcement governance series.", "global environment governance series.", "global enforcement governance issues.", "global enforcement governance system."
"global empowerment governance series." » "global empowerment guidance series.", "local empowerment governance series.", "legal empowerment governance series.", "social empowerment governance series.", "global empowerment governance issues.", "global empowerment governance system."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("global enforcement governance series.") OR ("global empowerment governance series."))~.
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• Adding a wildcard symbol may retrieve word variants: (("global enforcement governance series.") OR ("global empowerment governance series."))*.