Perhaps you should try some spelling variations:
"cientificas mexicano de anestesiologia ;" » "cientificos mexicanos de anestesiologia ;", "cientifica mexicana de anestesiologia ;", "cientificas mexico de anestesiologia ;", "cientificas mexicana de anestesiologia ;"
"politica media de anestesiologia ;" » "politica medica de anestesiologia ;", "politica mediada de anestesiologia ;", "politica india de anestesiologia ;", "politica medida de anestesiologia ;", "politica comedia de anestesiologia ;", "politica media _ anestesiologia ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("cientificas mexicano de anestesiologia ;") or ("politica media de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cientificas mexicano de anestesiologia ;") OR ("politica media de anestesiologia ;"))*.
• Removing quotes may allow a broader search: (( cientificas mexicano de anestesiologia ; ) or ( politica media de anestesiologia ; ))*.