Perhaps you should try some spelling variations:
"supply water interaction series." » "supply water interactions series.", "supply water interaction studies.", "supply water interaction terms.", "supply matter interaction series.", "supply layer interaction series.", "supply matter interactions series."
"support canal irrigation schemes." » "support canal irrigation scheme.", "support canal irrigation systems.", "support scale irrigation schemes.", "support can irrigation schemes.", "support data irrigation schemes.", "support bank 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 water interaction series.") or ("support canal irrigation schemes."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("supply water interaction series.") OR ("support canal irrigation schemes.")).
• Removing quotes may allow a broader search: (( supply water interaction series. ) or ( support canal irrigation schemes. )).
• Adding a wildcard symbol may retrieve word variants: (("supply water interaction series.") or ("support canal irrigation schemes."))*.