Perhaps you should try some spelling variations:
cuadernos critica » cuadernos criticos, cuadernos politicas, carlos critica
africans latin » americans latin, africans spain
mas cuadernos » los cuadernos, dos cuadernos, a cuadernos
estudios mas » estudios a, estudios maior, estudios de
rica latina » america latina

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: estudios mas cuadernos critica de ((africans latin) or (rica latina)).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: estudios mas cuadernos critica de ((africans latin) OR (rica latina))..
• Adding a wildcard symbol may retrieve word variants: estudios mas cuadernos critica de ((africans latin) or (rica latina)).*.