Perhaps you should try some spelling variations:
"clinicas mexicanos en anestesiologia ;" » "clinicas mexicanas en anestesiologia ;", "clinicas mexicanos de anestesiologia ;", "clinicas mexicana en anestesiologia ;", "clinicas mexicano de anestesiologia ;"
"clinica medicine en anestesiologia ;" » "clinica medicine de anestesiologia ;", "clinical medicine en anestesiologia ;", "clinica medica en anestesiologia ;", "fisica medicina en anestesiologia ;", "clinica medicina en anestesiologia ;", "clinica medicinal en anestesiologia ;", "clinica medicine _ 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 mexicanos en anestesiologia ;") OR ("clinica medicine en anestesiologia ;"))~.
• Removing quotes may allow a broader search: (( clinicas mexicanos en anestesiologia ; ) or ( clinica medicine en anestesiologia ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicanos en anestesiologia ;") or ("clinica medicine en anestesiologia ;"))*.