You have now told us about Three different tools:

The Customer Center has a field for finding the info you seek.

The “Find” from Edit menu or Ctl F is going to pull up Transaction info, not Name info.

The Search Function is different yet; it finds name info AND transaction info. And, […]

Resolution for 'AND transaction info issue: 'Find tool to filter by Full Name is not a choice in the Simple or Advanced filters. any suggestions? I need to search on the Full Name Field for a customer' available: Yes.

The AND transaction info issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the AND transaction info issue yourself by looking for a resolution described in the article. If it is a complex AND transaction info issue or you are unable to solve the issue, you may contact us by clicking here or by using other AND transaction info support options.

For more information about resolving issues related to AND transaction info in Quickbooks/QBO or to get support for the issue 'Find tool to filter by Full Name is not a choice in the Simple or Advanced filters. any suggestions? I need to search on the Full Name Field for a customer', click the link below: