Perhaps you should try some spelling variations:
"factores politicos" » "actores politicos", "factores criticos", "actos politicos"
"efectos politicos" » "efectos positivos", "aspectos politicos", "derechos politicos"
"factores critica" » "factores criticos", "factores clinicos", "factores politico"
"factores clinico" » "factores clinicos", "factores criticos", "factores politico"
"factor critico" » "factores criticos", "factor asiatico"

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

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.