Perhaps you should try some spelling variations:
irrigation schemes » irrigation scheme, irrigation systems
"supply data integration series." » "supply data integration services.", "supply data interaction series.", "supply data integration server.", "supply data integrity series."
supply canal » supply canada, supply annual, supply china
supply rural » supply curve

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply data integration series.") or ("((supply canal) OR (supply rural)) irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration series.") OR ("((supply canal) OR (supply rural)) irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply data integration series. ) or ( ((supply canal) OR (supply rural)) irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply data integration series.") or ("((supply canal) OR (supply rural)) irrigation schemes."))*.