Perhaps you should try some spelling variations:
"support grant integrating services." » "support grant integration services.", "support grant integrated services.", "support grant regulating services.", "support gaps integrating services.", "support count integrating services.", "support drama integrating services."
"supply canal irrigation schemes." » "supply canal irrigation scheme.", "supply canal irrigation systems.", "supply scale irrigation schemes.", "supply canada irrigation schemes.", "supply annual irrigation schemes.", "supply china irrigation schemes."

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: (("supply canal irrigation schemes.") OR ("support grant integrating services."))~.
• Removing quotes may allow a broader search: (( supply canal irrigation schemes. ) or ( support grant integrating services. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supply canal irrigation schemes.") or ("support grant integrating services."))*.