Perhaps you should try some spelling variations:
"valores politicos" » "factores politicos"
"factores criticos" » "factor criticos", "factores clinicos", "factores clinicoss"
"factores critico" » "factor critico", "factores clinico", "factores clinicos"
"actos politicos" » "aspectos politicos", "factores politicos", "efectos politicos"
"factor criticos" » "factor critico", "factores clinicos", "sectores criticos"

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

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.