Perhaps you should try some spelling variations:
"cientificos eticos de anestesiologia ;" » "cientificos mexico de anestesiologia ;", "cientificos mexicanos de anestesiologia ;", "cientificos eticas de anestesiologia ;", "cientificos etico de anestesiologia ;", "cientificos etica de anestesiologia ;"
"politica mexicana de anestesiologia ;" » "politico mexicano de anestesiologia ;", "politica mexico de anestesiologia ;", "politica medica de anestesiologia ;"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("cientificos eticos de anestesiologia ;") or ("politica mexicana de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cientificos eticos de anestesiologia ;") OR ("politica mexicana de anestesiologia ;")).
• Removing quotes may allow a broader search: (( cientificos eticos de anestesiologia ; ) or ( politica mexicana de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("cientificos eticos de anestesiologia ;") or ("politica mexicana de anestesiologia ;"))*.