Perhaps you should try some spelling variations:
"factores psicologicos" » "factores psicosociales"
"factores politicos" » "factores criticos", "actos politicos", "valores politicos", "ffactores criticos"
"actores politicos" » "factores criticos"
"efectos politicos" » "efectos positivos", "aspectos politicos", "derechos politicos"
"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 psicologicos") or ((((("actores politicos") or ((("ciclos politicos") or ("efectos politicos"))))) or ("factores politicos"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("factores psicologicos") OR ((((("actores politicos") OR ((("ciclos politicos") OR ("efectos politicos"))))) OR ("factores politicos")))).
• Removing quotes may allow a broader search: (( factores psicologicos ) or ((((( actores politicos ) or ((( ciclos politicos ) or ( efectos politicos ))))) or ( factores politicos )))).
• Adding a wildcard symbol may retrieve word variants: (("factores psicologicos") or ((((("actores politicos") or ((("ciclos politicos") or ("efectos politicos"))))) or ("factores politicos"))))*.

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