Perhaps you should try some spelling variations:
mexican literature » american literature, american literatures, african literature
medica literature » medical literature, american literature, america literatures
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 (heroic literature)) (english) / fast.
• Adding a wildcard symbol may retrieve word variants: ((((medica literature) or (mexican literature))) or (heroic literature)) (english) / fast*.