Perhaps you should try some spelling variations:
"supply costs irrigation schemes." » "supply costs irrigation scheme.", "supply costs irrigation systems.", "supply canal irrigation schemes.", "supply crop irrigation schemes.", "supply basin irrigation schemes."
"supply fare integration series." » "supply fare integration theories.", "supply fare integrating services.", "supply fare integration schemes.", "supply market integration series.", "supply trade integration series.", "supply data integration series.", "supply farm integration series.", "supply case 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 costs irrigation schemes.") or ("supply fare integration series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply costs irrigation schemes.") OR ("supply fare integration series."))*.
• Removing quotes may allow a broader search: (( supply costs irrigation schemes. ) or ( supply fare integration series. ))*.