Advanced Search ("Search" option in the main menu or Ctrl + Shift + F) allows to find comments to tasks, accounts, files, users, contacts, and organizations using advanced search conditions.
Advanced Search window contains several tabs, including "Comments", "Contacts", "Accounts", "Files," "People", and "Organizations". On the top of the window there is a field for the search parameters input.
To get specific result, you can use additional search options located on the left panel of the window. When Advanced Search option is enabled, additional fields for the specific search appears on the top of the window. To proceed search press "Search" button. The number of found items is displayed in the lower left corner.