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