Perhaps you should try some spelling variations:
del literatura » de literatura, en literatura, da literatura
caso revision » la revision, su revision
revision del » revision de, vision del, vision de
anexos caso » anexos las, anos caso, andinos caso
revista del » revista de
de revista » la revista

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: (( anexos caso revision del literatura ; ) OR ( manejo de revista del literatura ; ))~.
• Adding a wildcard symbol may retrieve word variants: (( anexos caso revision del literatura ; ) or ( manejo de revista del literatura ; ))*.