Perhaps you should try some spelling variations:
"supply fare integration theories." » "supply fare integration theory.", "supply fare integration through.", "supply fare integration efforts.", "supply market integration theories.", "supply trade integration theories.", "supply data integration theories.", "supply farm integration theories.", "supply case integration theories."
"supply costs integration series." » "supply costs integrating services.", "supply costs integration schemes.", "supply costs integration social.", "supply south integration series.", "supply systems integration series.", "supply content 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 costs integration series.") or ("supply fare integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply costs integration series.") OR ("supply fare integration theories.")).
• Removing quotes may allow a broader search: (( supply costs integration series. ) or ( supply fare integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply costs integration series.") or ("supply fare integration theories."))*.