Perhaps you should try some spelling variations:
"cuaderno matematico de bellas artes ;" » "cuaderno tematico de bellas artes ;", "cuadernos tematicos de bellas artes ;", "cuaderno matematica de bellas artes ;", "cuaderno matematicas de bellas artes ;", "cuaderno matematica del bellas artes ;", "cuaderno matematico de las artes ;"
"modelos matematicos de bellas artes ;" » "modelos matematicas de bellas artes ;", "modelos matematica de bellas artes ;", "modelos matematicas en bellas artes ;", "modelos matematicos de las artes ;"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("cuaderno matematico de bellas artes ;") or ("modelos matematicos de bellas artes ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cuaderno matematico de bellas artes ;") OR ("modelos matematicos de bellas artes ;")).
• Removing quotes may allow a broader search: (( cuaderno matematico de bellas artes ; ) or ( modelos matematicos de bellas artes ; )).
• Adding a wildcard symbol may retrieve word variants: (("cuaderno matematico de bellas artes ;") or ("modelos matematicos de bellas artes ;"))*.