The word ‘advice’ is an uncountable noun in English. That means that you cannot use it in the plural, or with ‘a’/’an’ before it, as you might do in Spanish.
Please watch this video to understand how to use it correctly, and some other alternatives if you want to use it in the plural:
You can see an example from the TV show The Crown where the expression ‘Pieces of advice’ is used:
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