Perhaps you should try some spelling variations:
"clinicas mexicana en anestesiologia. ;" » "clinicas mexicanas en anestesiologia. ;", "climatica mexicana en anestesiologia. ;", "clinical medicine en anestesiologia. ;", "clinicas mexicana de anestesiologia. ;"
"cronica mexicana en anestesiologia. ;" » "cronica mexicana de anestesiologia. ;", "botanica mexicana en anestesiologia. ;", "prensa mexicana en 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 mexicana en anestesiologia. ;") OR ("cronica mexicana en anestesiologia. ;"))~.
• Removing quotes may allow a broader search: (( clinicas mexicana en anestesiologia. ; ) or ( cronica mexicana en anestesiologia. ; ))~.
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicana en anestesiologia. ;") or ("cronica mexicana en anestesiologia. ;"))*.