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 information series." » "supply market information series.", "supply price information series.", "supply more information series.", "supply marine information services.", "supply marine information service.", "supply marine information sources.", "supply tariff information series."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration theories.") OR ("supply marine information series."))~.
• Removing quotes may allow a broader search: (( supply chain integration theories. ) or ( supply marine information series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration theories.") or ("supply marine information series."))*.