Perhaps you should try some spelling variations:
"direct investment governance series." » "direct investment finance series.", "direct investment insurance series.", "direct internet governance series.", "direct investment governance system.", "directly investment governance series."
"legal environmental performance reviews." » "legal environment performance reviews.", "legal environments performance reviews.", "local environmental performance reviews.", "legal environmental performance review.", "legal environmental performance reports.", "legal environmental performance risks."

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("legal environmental performance reviews.") or ("direct investment governance series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("legal environmental performance reviews.") OR ("direct investment governance series.")).
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• Adding a wildcard symbol may retrieve word variants: (("legal environmental performance reviews.") or ("direct investment governance series."))*.