Perhaps you should try some spelling variations:
"support fare interaction series." » "support fare interactions series.", "support fare interaction studies.", "support fare interaction terms.", "support face interaction series.", "support face interactions series.", "support fare integration series.", "support farm interaction series.", "support farmers interaction series.", "support future interaction series."
"supply use irrigation schemes." » "supply use irrigation scheme.", "supply use irrigation systems.", "supply under irrigation schemes.", "supply surge irrigation schemes.", "supply pump irrigation schemes.", "supply case irrigation schemes.", "supply u.s irrigation schemes.", "supply curve 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: (("support fare interaction series.") or ("supply use irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support fare interaction series.") OR ("supply use irrigation schemes."))*.
• Removing quotes may allow a broader search: (( support fare interaction series. ) or ( supply use irrigation schemes. ))*.