Perhaps you should try some spelling variations:
gnostic literature » erotic literature, artistic literature, classic literature
nordic literature » norse literature, vedic literature, erotic literature
heroic literature » erotic literature, arabic literature, slavic literature
indic literature » indian literature, vedic literature, medica literature
music literature » erotic literature, arabic literature
epic literature » erotic literature, arabic literature, slavic literature

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: ((indic literature) OR (((((nordic literature) OR (gnostic literature))) OR (((heroic literature) OR (((epic literature) OR (music literature)))))))) (english) / fast*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((indic literature) or (((((nordic literature) OR (gnostic literature))) or (((heroic literature) or (((epic literature) or (music literature)))))))) (english) / fast*".