Perhaps you should try some spelling variations:
"factores biologicos" » "factores psicologicos", "factores economicos"
"factores politicos" » "factores criticos", "valores politicos", "factores climaticos", "ffactores criticos"
"aspectos politicos" » "aspectos eticos", "aspectos psicologicos"
"actores politicos" » "factores criticos"
"actos politicos" » "efectos politicos", "ciclos politicos", "partidos politicos"
"aspectos juridicos" » "aspectos juridico", "aspectos juridica"

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 ((("actores politicos") or ((("actos politicos") or ((("aspectos politicos") OR ("aspectos juridicos"))))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("factores politicos") OR ("factores biologicos"))) OR ((("actores politicos") OR ((("actos politicos") OR ((("aspectos politicos") OR ("aspectos juridicos")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"factores politicos\") or (\"factores biologicos\"))) or (((\"actores politicos\") or (((\"actos politicos\") or (((\"aspectos politicos\") OR (\"aspectos juridicos\"))))))))".
• Removing quotes may allow a broader search: (((( factores politicos ) or ( factores biologicos ))) or ((( actores politicos ) or ((( actos politicos ) or ((( aspectos politicos ) OR ( aspectos juridicos )))))))).
• Adding a wildcard symbol may retrieve word variants: (((("factores politicos") or ("factores biologicos"))) or ((("actores politicos") or ((("actos politicos") or ((("aspectos politicos") OR ("aspectos juridicos"))))))))*.

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.