Perhaps you should try some spelling variations:
"import trade integration process." » "import trade reintegration process.", "import trade migration process.", "import trade innovation process.", "export trade integration process.", "import price integration process.", "import taxes integration process."
"support grid irrigation schemes." » "support grid irrigation scheme.", "support grid irrigation systems.", "support grain irrigation schemes.", "support drip irrigation schemes.", "support gray irrigation schemes.", "support agri irrigation schemes.", "support grant irrigation schemes.", "support group irrigation schemes."

Try widening your search to All Fields.

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

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