Perhaps you should try some spelling variations:
"supply american interaction series." » "supply american integration series.", "supply african interaction series.", "supply american attraction series.", "supply american interactions series.", "supply american interaction studies.", "supply american interaction terms.", "supply mexican interaction series.", "supply africa interaction series.", "ugly american interaction series."
"supplies annual irrigation schemes." » "supplies annual irrigation scheme.", "supplies annual irrigation systems.", "supplies canal irrigation schemes.", "supplies annual variation schemes.", "supplies annual inflation schemes.", "suppliers annual irrigation schemes.", "supplied annual irrigation schemes."

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("supplies annual irrigation schemes.") OR ("supply american interaction series."))~.
• Removing quotes may allow a broader search: (( supplies annual irrigation schemes. ) or ( supply american interaction series. ))~.
• Adding a wildcard symbol may retrieve word variants: (("supplies annual irrigation schemes.") or ("supply american interaction series."))*.