Perhaps you should try some spelling variations:
"supply grid integration schemes." » "supply grid irrigation schemes.", "supply grid integration some.", "supply grid integration theories.", "supply trade integration schemes.", "supply _ integration schemes.", "supply data integration schemes.", "support grid integration schemes."
"supply crowd integration series." » "supply crowd integration theories.", "supply crowd integrating services.", "supply crowd integration social.", "supply trade integration series.", "supply chain integration series.", "supply urban integration series.", "supply growth integration series.", "supply cost integration series.", "supply how 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: (("supply crowd integration series.") OR ("supply grid integration schemes."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply crowd integration series.\") OR (\"supply grid integration schemes.\"))*".
• Removing quotes may allow a broader search: (( supply crowd integration series. ) OR ( supply grid integration schemes. ))*.