Perhaps you should try some spelling variations:
"erotic poetry" » "epic poetry", "arabic poetry", "patriotic poetry"
"heroic poetry" » "rhetoric poetry", "epic poetry", "heroic poem"
"eric poetry" » "epic poetry", "lyric poetry", "etc poetry"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("eric poetry") OR ((("heroic poetry") OR ("erotic poetry")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"eric poetry\") or (((\"heroic poetry\") OR (\"erotic poetry\"))))".
• Removing quotes may allow a broader search: (( eric poetry ) or ((( heroic poetry ) OR ( erotic poetry )))).
• Adding a wildcard symbol may retrieve word variants: (("eric poetry") or ((("heroic poetry") OR ("erotic poetry"))))*.