Perhaps you should try some spelling variations:
"supply china international economics." » "supply iea international economics.", "supply action international economics.", "supply finance international economics.", "supply chains international economics.", "supply chain international economics.", "supply china international economic."
"support law international prices." » "support new international prices.", "support 1st international prices.", "support low international prices.", "support land international prices.", "support lars international prices.", "support law international price."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply china international economics.") OR ("support law international prices."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply china international economics.\") OR (\"support law international prices.\"))".
• Removing quotes may allow a broader search: (( supply china international economics. ) OR ( support law international prices. )).
• Adding a wildcard symbol may retrieve word variants: (("supply china international economics.") OR ("support law international prices."))*.