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 asset irrigation scheme." » "supply asset irrigation systems.", "supply et irrigation scheme.", "supply use irrigation scheme.", "supply asset liquidation scheme.", "supply assets irrigation scheme.", "supply aspect irrigation scheme.", "supply aspects irrigation scheme."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply asset irrigation scheme.") OR ("supply case integration theories."))~.
• Removing quotes may allow a broader search: (( supply asset irrigation scheme. ) or ( supply case integration theories. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply asset irrigation scheme.") or ("supply case integration theories."))*.