Perhaps you should try some spelling variations:
"cientificas mexico de anestesiologia ;" » "cientificos mexico de anestesiologia ;", "cientificas mexicano de anestesiologia ;", "cientificas america de anestesiologia ;"
"politica ampliada de anestesiologia ;" » "politica mediada de anestesiologia ;", "politica americana de anestesiologia ;", "politica comparada de anestesiologia ;", "politica ampliado de anestesiologia ;", "politica amplia de anestesiologia ;", "politica amphipoda 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 ampliada de anestesiologia ;"))~.
• Removing quotes may allow a broader search: (( cientificas mexico de anestesiologia ; ) or ( politica ampliada de anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("cientificas mexico de anestesiologia ;") or ("politica ampliada de anestesiologia ;"))*.