Perhaps you should try some spelling variations:
"support estimate interactions series." » "support state interactions series.", "support estimate interregional series.", "support time interaction series.", "support estimate interaction terms.", "support estimate interactions between.", "support climate interactions series."
"support agri integration series." » "support agri integration theories.", "support agri integrating services.", "support agri integration schemes.", "support grid integration series.", "support fare integration series.", "support care integration series.", "support a integration series."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("support agri integration series.") or ("support estimate interactions series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("support agri integration series.") OR ("support estimate interactions series.")).
• Removing quotes may allow a broader search: (( support agri integration series. ) or ( support estimate interactions series. )).
• Adding a wildcard symbol may retrieve word variants: (("support agri integration series.") or ("support estimate interactions series."))*.