Document retrieving apparatus, document retrieving method, program, and storage medium

A document retrieving method for a document retrieving apparatus which comprises a display unit, comprising:

• a document retrieving step of retrieving, from a plurality of document data, one or more document data which include a page or an image element that matches an input retrieval condition;
• a retrieval result list display step of displaying, on the display unit, a list display of the one or more document data which include the page or the image element that matches the retrieval condition based on retrieval results of the document retrieving step;
• and
• a thumbnail display step of displaying, in the list display by the retrieval result list display step, a first thumbnail image associated with the page or the image element which matches the retrieval condition, and a second thumbnail image associated with another page or another image element which forms the document data that includes the page or the image element which matches the retrieval condition.