Perhaps you should try some spelling variations:
"legal environment performance based." » "legal environmental performance based.", "legal environmental performances based.", "legal government performance based.", "global environment performance based."
"global endowments governance series." » "global empowerment governance series.", "global enforcement governance series.", "global endowments finance series.", "global environments governance series.", "soil endowments governance series.", "global endowments governance system."

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

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