Tags
For a multiple-tag search type into the url (note that it's “/tag/” with no “s”):
…press/tag/tag1+tag2 for posts tagged with tag1 AND tag2.
…press/tag/tag1|tag2 for posts tagged with tag1 OR tag2.
For a multiple-tag search type into the url (note that it's “/tag/” with no “s”):
…press/tag/tag1+tag2 for posts tagged with tag1 AND tag2.
…press/tag/tag1|tag2 for posts tagged with tag1 OR tag2.