Perhaps you should try some spelling variations:
"supply die integration theories." » "supply die integration theorems.", "supply die integrationstheorie 2.", "supply die integration theory.", "supply trade integration theories.", "supply driven integration theories."
"supply war international power." » "supply war international poverty.", "supply war international ports.", "supply war international panel.", "supply toward international power.", "supply paper international power.", "supply der internationale power.", "supply water international power.", "supply farm international power.", "supply a international power."

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 war international power.") OR ("supply die integration theories."))~.
• Removing quotes may allow a broader search: (( supply war international power. ) or ( supply die integration theories. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply war international power.") or ("supply die integration theories."))*.