Perhaps you should try some spelling variations:
"central climate research team series." » "general climate research team series.", "cultural climate research team series.", "centered climate research team series.", "central climate research stem series.", "central climate research nejm series.", "central climate research tilsm series."
"central city research firm series." » "central society research firm series.", "central equity research firm series.", "central key research firm series.", "central city research from series.", "central city research field series.", "central city research final series.", "central cities research firm series.", "central city research film series.", "central city research forum 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: (("central city research firm series.") or ("central climate research team series."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("central city research firm series.") OR ("central climate research team series.")).
• Removing quotes may allow a broader search: (( central city research firm series. ) or ( central climate research team series. )).
• Adding a wildcard symbol may retrieve word variants: (("central city research firm series.") or ("central climate research team series."))*.