Perhaps you should try some spelling variations:
"academic administration" » "academica administration", "academia administration", "academicos administration", "academic administrativos", "academic administrativa", "academic administraciones"
"academic administrativas" » "academica administrativas", "academia administrativas", "academicos administrativas"
"academico administrativo" » "academicao administrativo", "academiao administrativo", "academicoso administrativo", "academica administrativo"
"academicas administrativo" » "academicaas administrativo", "academiaas administrativo", "academicosas administrativo"
"academicas administracion" » "academicaas administracion", "academiaas administracion", "academicosas administracion"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("academic administration") or ("academic administrativas"))) or ((("academico administrativo") or ((("academicas administrativo") OR ("academicas administracion"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("academic administration") OR ("academic administrativas"))) OR ((("academico administrativo") OR ((("academicas administrativo") OR ("academicas administracion")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"academic administration\") or (\"academic administrativas\"))) or (((\"academico administrativo\") or (((\"academicas administrativo\") OR (\"academicas administracion\"))))))".
• Removing quotes may allow a broader search: (((( academic administration ) or ( academic administrativas ))) or ((( academico administrativo ) or ((( academicas administrativo ) OR ( academicas administracion )))))).
• Adding a wildcard symbol may retrieve word variants: (((("academic administration") or ("academic administrativas"))) or ((("academico administrativo") or ((("academicas administrativo") OR ("academicas administracion"))))))*.