Perhaps you should try some spelling variations:
"congresos el curso." » "congresos e curso.", "congresos y curso.", "congreso en curso.", "congresos el recurso.", "congresos el cuerpo.", "congresos el cuarto."
"congreso del curso." » "congreso de curso.", "congresos e curso.", "congreso del cuerpo.", "congreso del discurso.", "congreso del recurso.", "congreso del cuarto."
"congreso del recurso." » "congreso de recurso.", "congresos e recurso.", "congreso el recurso.", "congreso de recursos.", "congreso del discurso."

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: (("congresos el curso.") or ((("congreso del curso.") or ("congreso del recurso."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("congresos el curso.") OR ((("congreso del curso.") OR ("congreso del recurso.")))).
• Removing quotes may allow a broader search: (( congresos el curso. ) or ((( congreso del curso. ) or ( congreso del recurso. )))).
• Adding a wildcard symbol may retrieve word variants: (("congresos el curso.") or ((("congreso del curso.") or ("congreso del recurso."))))*.