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

One or more facet filters have been applied to this search. If you remove filters, you may retrieve more results. Remove all filters from this search.