Perhaps you should try some spelling variations:
"fvalores politicos" » "factores politico", "fvalores eticos"
"factores politicos" » "factores criticos", "actos politicos", "factores biologicos", "ffactores criticos"
"actores politicos" » "factores criticos"
"valores politicos" » "valores eticos"
"factos politicos" » "actos politicos", "efectos politicos", "impactos politicos"

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: (((("factos politicos") or ("fvalores politicos"))) or ((("actores politicos") or ((("valores politicos") OR ("factores politicos"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("factos politicos") OR ("fvalores politicos"))) OR ((("actores politicos") OR ((("valores politicos") OR ("factores politicos")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"factos politicos\") or (\"fvalores politicos\"))) or (((\"actores politicos\") or (((\"valores politicos\") OR (\"factores politicos\"))))))".
• Removing quotes may allow a broader search: (((( factos politicos ) or ( fvalores politicos ))) or ((( actores politicos ) or ((( valores politicos ) OR ( factores politicos )))))).
• Adding a wildcard symbol may retrieve word variants: (((("factos politicos") or ("fvalores politicos"))) or ((("actores politicos") or ((("valores politicos") OR ("factores politicos"))))))*.

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