Perhaps you should try some spelling variations:
"supply how integrated surveys." » "supply how integrated services.", "supply how integrated systems.", "supply how integrated markets.", "supply _ integrated surveys.", "supply 1 integrated surveys.", "supply 3 integrated surveys.", "supply shock integrated surveys."
"support grid irrigation systems." » "support drip irrigation systems.", "support syria irrigation systems.", "support crop irrigation systems.", "support agri irrigation systems.", "support grant irrigation systems.", "support group irrigation systems.", "support grid irrigation system."

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

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