Perhaps you should try some spelling variations:
mexican literature » american literature, american literatures, african literature
medica literature » medical literature, american literature, america literatures
nordic literature » gnostic literature, norse literature, indic literature
heroic literature » erotic literature, epic literature, arabic 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: ((((medica literature) OR (mexican literature))) OR (((nordic literature) OR (heroic literature)))) (english) / fast.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((medica literature) or (mexican literature))) or (((nordic literature) OR (heroic literature)))) (english) / fast".
• Adding a wildcard symbol may retrieve word variants: ((((medica literature) or (mexican literature))) or (((nordic literature) OR (heroic literature)))) (english) / fast*.