Perhaps you should try some spelling variations:
"supply charges irrigation system." » "supply change irrigation system.", "supply large irrigation system.", "supply surge irrigation system.", "supply charges irrigation systems.", "supply charges irrigation water.", "supply charges irrigation scheme.", "supply channels irrigation system.", "supply chains irrigation system.", "supply curves irrigation system."
"supply water integrating social." » "supply water integration social.", "supply lever integrating social.", "supply water integrated social.", "supply patterns integrating social."

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

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