Perhaps you should try some spelling variations:
"supply from integration theories." » "supply from integration theorems.", "supply from integrationstheorie 2.", "supply from integration theory.", "supply roma integration theories.", "supply from immigration theories.", "supply from international theories."
"supply crowd irrigation schemes." » "supply crowd irrigation scheme.", "supply crowd irrigation systems.", "supply crop irrigation schemes.", "supply flood irrigation schemes.", "supply from irrigation schemes.", "supply growth irrigation schemes.", "supply cost irrigation schemes."

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 crowd irrigation schemes.") OR ("supply from integration theories."))~.
• Removing quotes may allow a broader search: (( supply crowd irrigation schemes. ) or ( supply from integration theories. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply crowd irrigation schemes.") or ("supply from integration theories."))*.