Perhaps you should try some spelling variations:
estudio teorico » estudio teologico, estudio geografico, estudio historico
estudio lexico » estudio medico, estudio etico, estudio clinico
values social » games social, valor social, valores sociales
estudio leido » estudio pleito, estudio ley, estudio dedicado
estudio bio » estudio bajo, estudio basico, estudio bahia

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

• Performing a fuzzy search may retrieve terms with similar spellings: values social ((((estudio leido) or (((estudio lexico) OR (estudio teorico))))) or (estudio bio))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: values social ((((estudio leido) OR (((estudio lexico) OR (estudio teorico))))) OR (estudio bio)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "values social ((((estudio leido) or (((estudio lexico) OR (estudio teorico))))) or (estudio bio))".
• Adding a wildcard symbol may retrieve word variants: values social ((((estudio leido) or (((estudio lexico) OR (estudio teorico))))) or (estudio bio))*.