Perhaps you should try some spelling variations:
"supply a integration theories." » "supply a integration theorems.", "supply a integrationstheorie 2.", "supply a integration theory.", "supply 3 integration theories.", "supply 2 integration theories.", "supply 4 integration theories.", "supply _ integration theories."
"supply case integration schemes." » "supply case integration schengen.", "supply case irrigation schemes.", "supply case integration regimes.", "supply care integration schemes.", "supply scale integration schemes.", "supply based integration schemes.", "supply cost integration schemes.", "supply chain integration schemes.", "supply curve integration 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 case integration schemes.") or ("supply a integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply case integration schemes.") OR ("supply a integration theories.")).
• Removing quotes may allow a broader search: (( supply case integration schemes. ) or ( supply a integration theories. )).
• Adding a wildcard symbol may retrieve word variants: (("supply case integration schemes.") or ("supply a integration theories."))*.