Perhaps you should try some spelling variations:
"supply fare integration theories." » "supply fare integration theorems.", "supply fare integrationstheorie 2.", "supply fare integration theory.", "supply trade integration theories.", "supply die integration theories.", "supply farm integration theories.", "supply case integration theories.", "supply figure integration theories."
"supply costs integration series." » "supply costs integration services.", "supply costs interaction series.", "supply costs integration server.", "supply comes integration series.", "supply post integration series.", "supply focus 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 theories.") or ("supply costs integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply fare integration theories.") OR ("supply costs integration series.")).
• Removing quotes may allow a broader search: (( supply fare integration theories. ) or ( supply costs integration series. )).
• Adding a wildcard symbol may retrieve word variants: (("supply fare integration theories.") or ("supply costs integration series."))*.