Perhaps you should try some spelling variations:
"supply chain integration schemes." » "supply chain irrigation schemes.", "supply chain integration some.", "supply chain integration theories.", "supply trade integration schemes.", "supply data integration schemes."
"support grid integration series." » "support grid integration theories.", "support grid integrating services.", "support grid integration social.", "support trade integration series.", "support _ integration series.", "support data integration series.", "support agri integration series.", "support grant integration series.", "support group integration series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support grid integration series.") OR ("supply chain integration schemes."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"support grid integration series.\") OR (\"supply chain integration schemes.\"))".
• Removing quotes may allow a broader search: (( support grid integration series. ) OR ( supply chain integration schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("support grid integration series.") OR ("supply chain integration schemes."))*.