Perhaps you should try some spelling variations:
"factores politicos" » "factores criticos", "actos politicos", "factores biologicos", "factos politicos", "ffactores criticos"
"valores politicos" » "valores eticos"
"actores politicos" » "actos politicos", "factores criticos"
"efectos politicos" » "aspectos politicos", "derechos politicos", "efectos juridicos"
"ciclos politicos" » "actos 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: (((("factores politicos") OR ("valores politicos"))) or ((("actores politicos") or ((("efectos politicos") or ("ciclos politicos"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("factores politicos") OR ("valores politicos"))) OR ((("actores politicos") OR ((("efectos politicos") OR ("ciclos politicos")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"factores politicos\") OR (\"valores politicos\"))) or (((\"actores politicos\") or (((\"efectos politicos\") or (\"ciclos politicos\"))))))".
• Removing quotes may allow a broader search: (((( factores politicos ) OR ( valores politicos ))) or ((( actores politicos ) or ((( efectos politicos ) or ( ciclos politicos )))))).
• Adding a wildcard symbol may retrieve word variants: (((("factores politicos") OR ("valores politicos"))) or ((("actores politicos") or ((("efectos politicos") or ("ciclos politicos"))))))*.

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