Perhaps you should try some spelling variations:
"supply cost integration theories." » "supply cost integration theorems.", "supply cost integrationstheorie 2.", "supply cost integration theory.", "supply post integration theories.", "supply test integration theories.", "supply about integration theories.", "supply costs integration theories."
"supply change mitigation schemes." » "supply change irrigation schemes.", "supply change integration schemes.", "supply change irrigation scheme.", "supply charges mitigation schemes.", "supply channels mitigation schemes.", "supply chain's mitigation schemes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply change mitigation schemes.") or ("supply cost integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply change mitigation schemes.") OR ("supply cost integration theories."))*.
• Removing quotes may allow a broader search: (( supply change mitigation schemes. ) or ( supply cost integration theories. ))*.