Perhaps you should try some spelling variations:
"supply chain integration series." » "supply chain integration theories.", "supply chain integrating services.", "supply chain integration schemes.", "supply trade integration series.", "supply data integration series.", "supply grid integration series."
"supply power integration series." » "supply power integration theories.", "supply power integrating services.", "supply power integration schemes.", "supply border integration series.", "supply policy integration series.", "supply deeper integration series.", "supply poverty integration series.", "supply water integration series.", "supply how 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 series.") or ("supply power integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration series.") OR ("supply power integration series.")).
• Removing quotes may allow a broader search: (( supply chain integration series. ) or ( supply power integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integration series.") or ("supply power integration series."))*.