Perhaps you should try some spelling variations:
"supply south integration policy." » "supply south integration policies.", "supply south immigration policy.", "supply south international policy.", "supply youth integration policy.", "supply about integration policy.", "supply dutch integration policy.", "supply southern integration policy.", "supply costs integration policy.", "supply cost integration policy."
"supply water irrigation scheme." » "supply water irrigation systems.", "supply scale irrigation scheme.", "supply canal irrigation scheme.", "supply farm irrigation scheme."

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

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