Perhaps you should try some spelling variations:
"cientificas mexico de anestesiologia ;" » "cientificos mexico de anestesiologia ;", "cientificas mexicano de anestesiologia ;", "cientificas america de anestesiologia ;"
"politica mediador de anestesiologia ;" » "politica mediada de anestesiologia ;", "politica mediante de anestesiologia ;", "practica mediadora de anestesiologia ;", "politica mediados del anestesiologia ;", "politica indicador de anestesiologia ;"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("cientificas mexico de anestesiologia ;") OR ("politica mediador de anestesiologia ;"))~.
• Removing quotes may allow a broader search: (( cientificas mexico de anestesiologia ; ) or ( politica mediador de anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("cientificas mexico de anestesiologia ;") or ("politica mediador de anestesiologia ;"))*.