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 surface irrigation schemes.", "support agri irrigation schemes.", "support grid irrigation schemes."
"support water integrated gender." » "support water integrate gender.", "support water integrating gender.", "support water integrated water.", "support farmer integrated gender.", "support based integrated gender.", "support better integrated gender.", "support what's integrated gender.", "support worker integrated gender."

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 gender."))~.
• Removing quotes may allow a broader search: (( support syria irrigation schemes. ) or ( support water integrated gender. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support syria irrigation schemes.") or ("support water integrated gender."))*.