Perhaps you should try some spelling variations:
medica literature » medical literature, mexican literature, american literature
nordic literature » gnostic literature, heroic literature, indic literature
norse literature » prose literature, polite literature, life 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 (((nordic literature) OR (norse literature)))) (english) / fast.
• Adding a wildcard symbol may retrieve word variants: ((medica literature) or (((nordic literature) or (norse literature)))) (english) / fast*.