Table read - handle no data

Ui.Vision
1

Thanks for the solution for earlier post:

(Look for string on page, click adjacent Edit hyperlink - UI.Vision RPA - UI.Vision RPA Software Forum | Discuss RPA Automation, Selenium IDE and OCR API Text Recognition)

2 Questions: how to handle the same situation if data not available ?
and
how to search with double combination (2 cells data in the respective row)?