Perhaps you should try some spelling variations:
"politica america en anestesiologia ;" » "politica publica en anestesiologia ;", "politica america del anestesiologia ;"
"clinicas mexicanas de anestesiologia ;" » "clinicas mexicana de anestesiologia ;", "clinicas mexicano de anestesiologia ;", "clinicas mexicana en anestesiologia ;", "clinica mexicanas de anestesiologia ;", "clinical mexicanas de anestesiologia ;", "cronicas mexicanas 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: (("clinicas mexicanas de anestesiologia ;") OR ("politica america en anestesiologia ;"))~.
• Removing quotes may allow a broader search: (( clinicas mexicanas de anestesiologia ; ) or ( politica america en anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicanas de anestesiologia ;") or ("politica america en anestesiologia ;"))*.