Perhaps you should try some spelling variations:
"supply firms integration efforts." » "supply firms international efforts.", "supply firms conservation efforts.", "supply fiscal integration efforts.", "supply grid integration efforts.", "supply farm integration efforts.", "supply reforms integration efforts.", "supply sides integration efforts."
"supply fare integration series." » "supply fare integration theories.", "supply fare integrating services.", "supply fare integration schemes.", "supply market integration series.", "supply trade integration series.", "supply data integration series.", "supply farm integration series.", "supply case integration series."

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