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 crowd integration efforts." » "supply crowd international efforts.", "supply crowd conservation efforts.", "supply grid integration efforts.", "supply trade integration efforts.", "supply chain integration efforts.", "supply growth integration efforts.", "supply cost integration efforts.", "supply how 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 crowd integration efforts.") or ("supply asian integration theories."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply crowd integration efforts.") OR ("supply asian integration theories."))*.
• Removing quotes may allow a broader search: (( supply crowd integration efforts. ) or ( supply asian integration theories. ))*.