It is possible that:
* The name is misspelled: Double check the spelling of the name and try searching again.
* The author uses a different pen name: Check for other names the author might use.
* The author is not well-known: If the author is new or writes in a niche genre, they might not be easily found in online databases.
If you have any other information about the author (like their genre, publishing house, or a specific book title), it might be easier to find their work.