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