Perhaps you should try some spelling variations:
"support syria irrigation schemes." » "support syria irrigation scheme.", "support syria irrigation systems.", "support africa irrigation schemes.", "support drip irrigation schemes.", "support surge irrigation schemes.", "support social irrigation schemes.", "support agri irrigation schemes."
"support water integrated water." » "support battery integrated water.", "support farmer integrated water.", "support water integrating water.", "support chapter integrated water.", "support greater integrated water.", "support better integrated water."

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

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