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 schemes." » "support state irrigation scheme.", "support state irrigation systems.", "support spate irrigation schemes.", "support scale irrigation schemes.", "support petite irrigation schemes.", "support stage irrigation schemes.", "support staff irrigation schemes.", "support start irrigation schemes."

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 schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support gaps integrating culture.") OR ("support state irrigation schemes.")).
• Removing quotes may allow a broader search: (( support gaps integrating culture. ) or ( support state irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("support gaps integrating culture.") or ("support state irrigation schemes."))*.