Perhaps you should try some spelling variations:
"Gobierno representativo congresos, competencias, etc." » "Gobierno representativa congresos, competencias, etc.", "Gobierno representacion congresos, competencias, etc.", "Gobierno representativo congreso, competencias, etc."
"gobierno representativo congresos, referencias, etc." » "gobierno representativa congresos, referencias, etc.", "gobierno representacion congresos, referencias, etc.", "gobierno representativo congreso, referencias, etc.", "gobierno representativo congresos, referencia, etc."

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: (("Gobierno representativo congresos, competencias, etc.") or ("gobierno representativo congresos, referencias, etc."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("Gobierno representativo congresos, competencias, etc.") OR ("gobierno representativo congresos, referencias, etc.")).
• Removing quotes may allow a broader search: (( Gobierno representativo congresos, competencias, etc. ) or ( gobierno representativo congresos, referencias, etc. )).
• Adding a wildcard symbol may retrieve word variants: (("Gobierno representativo congresos, competencias, etc.") or ("gobierno representativo congresos, referencias, etc."))*.