Perhaps you should try some spelling variations:
"cuadernos didacticos joana. persona ;" » "cuaderno didactico joana. persona ;", "cuadernos practicos joana. persona ;", "cuadernos tematicos joana. persona ;", "cuadernos didacticos para. persona ;", "cuadernos didacticas ana. persona ;", "cuadernos didacticos encarna. persona ;"
"cuadernos politicas politica. persona ;" » "cuadernos practicos politica. persona ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("cuadernos didacticos joana. persona ;") or ("cuadernos politicas politica. persona ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cuadernos didacticos joana. persona ;") OR ("cuadernos politicas politica. persona ;")).
• Removing quotes may allow a broader search: (( cuadernos didacticos joana. persona ; ) or ( cuadernos politicas politica. persona ; )).
• Adding a wildcard symbol may retrieve word variants: (("cuadernos didacticos joana. persona ;") or ("cuadernos politicas politica. persona ;"))*.