Perhaps you should try some spelling variations:
"supply time interaction series." » "supply time interactions series.", "supply time interaction studies.", "supply time interaction terms.", "supply face interaction series.", "supply time international series.", "supply customer interaction series.", "supply trade interaction series."
"supply fare irrigation schemes." » "supply fare irrigation scheme.", "supply fare irrigation systems.", "supply farm irrigation schemes.", "supply large irrigation schemes.", "supply scale irrigation schemes.", "supply case irrigation schemes.", "supply figure 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 time interaction series.") or ("supply fare irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply time interaction series.") OR ("supply fare irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply time interaction series. ) or ( supply fare irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply time interaction series.") or ("supply fare irrigation schemes."))*.