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

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"cuadernos matematicos de bellas artes ;\") OR (\"modelos matematicos de bellas artes ;\"))~".
• Removing quotes may allow a broader search: (( cuadernos matematicos de bellas artes ; ) OR ( modelos matematicos de bellas artes ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("cuadernos matematicos de bellas artes ;") OR ("modelos matematicos de bellas artes ;"))*.