Perhaps you should try some spelling variations:
"supply case interaction series." » "supply case interactions series.", "supply case interaction studies.", "supply case interaction terms.", "supply cases interaction series.", "supply based interaction series.", "supply scale interaction series.", "supply cost interaction series.", "supply chain interaction series.", "supply curve interaction series."
"supply cities regulating services." » "supply cues regulating services.", "supply annuities regulating services.", "supply realities regulating services.", "supply chains regulating services.", "supply curves regulating services.", "supply cote regulating services."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply cities regulating services.") or ("supply case interaction series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply cities regulating services.") OR ("supply case interaction series.")).
• Removing quotes may allow a broader search: (( supply cities regulating services. ) or ( supply case interaction series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply cities regulating services.") or ("supply case interaction series."))*.