To search for a bookmark simply tap the search field in the centre of the navigation bar and enter your search term.
Stache will search pages titles, descriptions, contents and any tags.
To search exact phrases you will need to include your search term in double quotation marks. For example: "Search this phrase". Without the double quotation marks Stache will search for any pages containing the words 'Search', 'this' and 'phrase', whether they appear together or not.