Perhaps you should try some spelling variations:
"supply chain integration series." » "supply chain integration theories.", "supply chain integrating services.", "supply chain integration schemes.", "supply trade integration series.", "supply data integration series.", "supply grid integration series."
"Supply grid irrigation schemes." » "Supply grid irrigation scheme.", "Supply grid irrigation systems.", "Supply drip irrigation schemes.", "Supply syria irrigation schemes.", "Supply crop irrigation schemes."
supply grid » supply crowd, support grid

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 integration series.") or ("Supply grid irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply chain integration series.") OR ("Supply grid irrigation schemes."))*.
• Removing quotes may allow a broader search: (( supply chain integration series. ) or ( Supply grid irrigation schemes. ))*.