Perhaps you should try some spelling variations:
"support grant international seminar." » "support grant international series.", "support grant international standard.", "support grant international mining.", "support granted international seminar.", "support great international seminar.", "support transit international seminar."
"supply scale irrigation schemes." » "supply scale irrigation scheme.", "supply scale irrigation systems.", "supply case irrigation schemes.", "supply scheme irrigation schemes.", "supply social 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: (("support grant international seminar.") OR ("supply scale irrigation schemes."))~.
• Removing quotes may allow a broader search: (( support grant international seminar. ) or ( supply scale irrigation schemes. ))~.
• Adding a wildcard symbol may retrieve word variants: (("support grant international seminar.") or ("supply scale irrigation schemes."))*.