Perhaps you should try some spelling variations:
"supply chain integrating policies." » "supply chain international policies.", "supply chain integrating countries.", "supply chain immigration policies.", "supply chain integration policies.", "supply china integrating policies.", "supply shadow integrating policies."
"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.", "supply how irrigation 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 chain integrating policies.") or ("supply crowd irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integrating policies.") OR ("supply crowd irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply chain integrating policies. ) or ( supply crowd irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply chain integrating policies.") or ("supply crowd irrigation schemes."))*.