Perhaps you should try some spelling variations:
"supply case integration theories." » "supply case integration theorems.", "supply case integrationstheorie 2.", "supply case integration theory.", "supply care integration theories.", "supply scale integration theories.", "supply based integration theories.", "supply cost integration theories.", "supply chain integration theories.", "supply curve integration theories."
"supply data integration efforts." » "supply data international efforts.", "supply data conservation efforts.", "supply data integrity efforts."

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

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