Perhaps you should try some spelling variations:
"supply chain integration schemes." » "supply chain irrigation schemes.", "supply chain integration some.", "supply chain integration theories.", "supply trade integration schemes.", "supply data integration schemes.", "supply grid integration schemes."
"supply case integration series." » "supply case integration theories.", "supply case integrating services.", "supply case integration social.", "supply care integration series.", "supply fare integration series.", "supply can integration series.", "supply cost integration series.", "supply curve integration series.", "supply costs integration series."

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