* The name is slightly different: There might be a slight variation in the spelling or a different romanization of her name.
* She is a relatively unknown actress: It's possible she is a newer actress who hasn't had major roles yet.
* She primarily works in other mediums: Perhaps she is a voice actress, stage performer, or works primarily in other countries.
To help find her, could you provide any more information?
For example:
* What nationality is Claudia Choi? This could help narrow down the search.
* What kind of roles does she typically play? (e.g., comedic, dramatic, etc.)
* Do you have any other details about her career or specific projects she may have been in?
With more information, it might be possible to find her film and television credits.