Perhaps you should try some spelling variations:
"supply farm immigration policies." » "supply farm immigration policy.", "supply farm migration policy.", "supply from immigration policies.", "supply farm irrigation policies.", "supply mass immigration policies."
"supply raise international power." » "supply raise international poverty.", "supply raise international border.", "supply raise international water.", "supply risk international power.", "supply rate international power.", "supply care international power.", "supply case international power.", "supply side international power.", "supply asset international power."

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: (("supply raise international power.") or ("supply farm immigration policies."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply raise international power.") OR ("supply farm immigration policies.")).
• Removing quotes may allow a broader search: (( supply raise international power. ) or ( supply farm immigration policies. )).
• Adding a wildcard symbol may retrieve word variants: (("supply raise international power.") or ("supply farm immigration policies."))*.