Perhaps you should try some spelling variations:
"support estimate interaction term." » "support time interaction term.", "support climate interactions term.", "support private interaction term.", "support climate interaction term.", "support state interaction term.", "supports climate interaction term.", "support estimate interaction _."
"support urban integration series." » "support urban integration services.", "support urban interaction series.", "support urban integration server.", "support european integration series.", "support urban migration series.", "support chain integration series.", "support carbon integration series.", "report urban integration series.", "supply urban integration series."

Try widening your search to All Fields.

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

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