Perhaps you should try some spelling variations:
"supply from irrigation schemes." » "supply from irrigation scheme.", "supply from irrigation systems.", "supply farm irrigation schemes.", "supply crop irrigation schemes.", "supply furrow irrigation schemes.", "support from irrigation schemes."
"supply crowd integration series." » "supply crowd integration theories.", "supply crowd integrating services.", "supply crowd integration schemes.", "supply grid integration series.", "supply trade integration series.", "supply chain 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 from irrigation schemes."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"supply crowd integration series.\") OR (\"supply from irrigation schemes.\"))*".
• Removing quotes may allow a broader search: (( supply crowd integration series. ) OR ( supply from irrigation schemes. ))*.