Perhaps you should try some spelling variations:
"supply case integration theories." » "supply case integration theorems.", "supply case integrationstheorie 2.", "supply case integration series.", "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 social integration theory." » "supply global integration theory.", "supply financial integration theory.", "supply regional integration theory.", "supply social integration through.", "supply social information theory.", "supply social innovation theory."

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

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