Perhaps you should try some spelling variations:
"supply large irrigation scheme." » "supply large irrigation systems.", "supply farm irrigation scheme.", "supply drip irrigation scheme.", "supply scale irrigation scheme.", "supply charges irrigation scheme.", "supply targets irrigation scheme.", "supply curve irrigation scheme."
"supply china meeting services." » "supply china testing services.", "supply china heating services.", "supply china marketing services.", "supply ghana meeting services.", "supply china getting services.", "supply chains meeting services.", "supply chain meeting services."

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

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