New search parameters have been added to Google Docs.

Supported versions:
Standard, Premier, Education, Team and Partner

Supported languages:
All laguages supported in Gmail

How to access:
In the Docs search field use the following operators:
– type of document: type:{document, spreadsheet, presentation}
– documents edited before or after a certain date: [ before:YYYY-MM-DD ]
– documents owned by eg.Miadria: [ owner:Miadria ]
– documents with Miadria in the title: [ title:Miadria ]; ili [ subject:Miadria ]