Perhaps you should try some spelling variations:
instancias » instancia (Expand Search)
academicaas." » academicas." (Expand Search), academicals." (Expand Search), academica." (Expand Search), academicaaas." (Expand Search), academiaaas." (Expand Search)
academic." » academica." (Expand Search), academia." (Expand Search)
academico." » academicao." (Expand Search), academiao." (Expand Search)
academicos." » academicaos." (Expand Search), academiaos." (Expand Search)

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: "\"(sustancias OR instancias) (((academicaas.\" OR academic.\") OR academico.\") OR academicos.\")~".
• Removing quotes may allow a broader search: (sustancias OR instancias) (((academicaas. OR academic. ) OR academico. ) OR academicos. )~.
• Adding a wildcard symbol may retrieve word variants: "(sustancias OR instancias) (((academicaas." OR academic.") OR academico.") OR academicos.")*.