Perhaps you should try some spelling variations:
"supply rfid interaction series." » "supply rfid interactions series.", "supply rfid interaction studies.", "supply rfid interaction terms.", "supply rfid integration series.", "supply solid interaction series.", "supply 3d interaction series.", "supply crowd interaction series."
"supply china irrigation schemes." » "supply china irrigation scheme.", "supply china irrigation systems.", "supply change irrigation schemes.", "supply canal irrigation schemes.", "supply high irrigation schemes.", "supply chains irrigation schemes.", "supply chain irrigation schemes."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("supply rfid interaction series.") or ("supply china irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply rfid interaction series.") OR ("supply china irrigation schemes."))*.
• Removing quotes may allow a broader search: (( supply rfid interaction series. ) or ( supply china irrigation schemes. ))*.