Perhaps you should try some spelling variations:
"supply data integration schemes." » "supply data irrigation schemes.", "supply data integration some.", "supply data integration theories.", "supply trade integration schemes.", "supply _ integration schemes.", "supply data integrity schemes.", "supply water integration schemes."
"supply land conservation efforts." » "supply water conservation efforts.", "supply land consolidation efforts.", "supply _ conservation efforts.", "supply demand conservation efforts.", "supply lines conservation efforts."

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 schemes.") or ("supply land conservation efforts."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply data integration schemes.") OR ("supply land conservation efforts.")).
• Removing quotes may allow a broader search: (( supply data integration schemes. ) or ( supply land conservation efforts. )).
• Adding a wildcard symbol may retrieve word variants: (("supply data integration schemes.") or ("supply land conservation efforts."))*.