Perhaps you should try some spelling variations:
"supply asian integration theories." » "supply asian integration theory.", "supply asian integration through.", "supply asian integration reforms.", "supply urban integration theories.", "supply american integration theories.", "supply spatial integration theories.", "supply side integration theories.", "supply asset integration theories."
"supply grid integration efforts." » "supply grid international efforts.", "supply grid conservation efforts.", "supply trade integration efforts.", "supply _ integration efforts.", "supply data integration efforts.", "supply crowd integration efforts.", "support grid integration efforts."

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

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