Perhaps you should try some spelling variations:
"Supply third international airports." » "Supply third international airport.", "Supply third international transport.", "Supply third international airshow.", "Supply china international airports.", "Supply first international airports.", "Supply how international airports."
"supply chain integration theories." » "supply chain integration theory.", "supply chain integration through.", "supply chain integration efforts.", "supply trade integration theories.", "supply data integration theories.", "supply grid integration theories."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply chain integration theories.") OR ("Supply third international airports."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply chain integration theories.\") OR (\"Supply third international airports.\"))".
• Removing quotes may allow a broader search: (( supply chain integration theories. ) OR ( Supply third international airports. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration theories.") OR ("Supply third international airports."))*.