Perhaps you should try some spelling variations:
"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."
"Supply marine conservation efforts." » "Supply nature conservation efforts.", "Supply land conservation efforts.", "Supply heritage conservation efforts."
supply marine » supply market, supply tariff

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 marine conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration theories.") OR ("Supply marine conservation efforts."))*.
• Removing quotes may allow a broader search: (( supply chain integration theories. ) or ( Supply marine conservation efforts. ))*.