Perhaps you should try some spelling variations:
"supply law international prices." » "supply law international best.", "supply law international banks.", "supply new international prices.", "supply _ international prices.", "supply 3 international prices.", "supply low international prices.", "supply a international prices.", "supply how international prices."
"supply cost importing countries." » "supply cost exporting countries.", "supply cost importing country.", "supply most important countries.", "supply oil importing countries.", "supply food importing countries.", "supply costs importing countries."

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 law international prices.") or ("supply cost importing countries."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply law international prices.") OR ("supply cost importing countries.")).
• Removing quotes may allow a broader search: (( supply law international prices. ) or ( supply cost importing countries. )).
• Adding a wildcard symbol may retrieve word variants: (("supply law international prices.") or ("supply cost importing countries."))*.