Perhaps you should try some spelling variations:
"legal enforcement governance system." » "legal efficient governance system.", "legal empowerment governance system.", "law enforcement governance system.", "weak enforcement governance system.", "legal environment governance system."
"social investment governance series." » "social investment finance series.", "social investment insurance series.", "social internet governance series.", "capital investment governance series.", "initial investment governance series."

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: (("legal enforcement governance system.") or ("social investment governance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal enforcement governance system.") OR ("social investment governance series.")).
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• Adding a wildcard symbol may retrieve word variants: (("legal enforcement governance system.") or ("social investment governance series."))*.