Perhaps you should try some spelling variations:
"valores politicos" » "factores politicos", "valores eticos"
"actores politicos" » "factores criticos"
"factos politicos" » "actos politicos", "factores politicos", "efectos politicos"
"fvalores eticos" » "valores eticos", "valores etica", "valores geneticos"
"factores eticos" » "factores geneticos", "factores bioeticos", "factores criticos"

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

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