Perhaps you should try some spelling variations:
"support gaps integrating culture." » "support gaps integrating multiple.", "support _ integrating culture.", "support 4 integrating culture.", "support 6 integrating culture.", "support groups integrating culture.", "support grant integrating culture.", "support crops integrating culture."
"support state irrigation scheme." » "support state irrigation systems.", "support spate irrigation scheme.", "support scale irrigation scheme.", "support petite irrigation scheme.", "support stage irrigation scheme.", "support staff irrigation scheme.", "support start 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: (("support gaps integrating culture.") or ("support state irrigation scheme."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support gaps integrating culture.") OR ("support state irrigation scheme.")).
• Removing quotes may allow a broader search: (( support gaps integrating culture. ) or ( support state irrigation scheme. )).
• Adding a wildcard symbol may retrieve word variants: (("support gaps integrating culture.") or ("support state irrigation scheme."))*.