Perhaps you should try some spelling variations:
"supply china's integrating services." » "supply china's integration services.", "supply china's integrated services.", "supply china's regulating services.", "supply china integrating services.", "supply china integration services.", "supply chain's integrating services.", "support china's integrating services.", "supply chains integrating services."
"supply large irrigation systems." » "supply farm irrigation systems.", "supply drip irrigation systems.", "supply scale irrigation systems.", "supply charges irrigation systems.", "supply targets irrigation systems.", "supply curve irrigation systems.", "supply large irrigation system."

Try widening your search to All Fields.

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