Perhaps you should try some spelling variations:
"federal mexicano en anestesiologia. ;" » "federal mexico en anestesiologia. ;", "del mexicano en anestesiologia. ;", "penal mexicano en anestesiologia. ;", "federal mexicanos en anestesiologia. ;", "federal mexicana en anestesiologia. ;"
"practica medica de anestesiologia. ;" » "practica juridica de anestesiologia. ;", "practica clinica de anestesiologia. ;", "practica medida de anestesiologia. ;", "practica media de anestesiologia. ;", "practica medicina de anestesiologia. ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("federal mexicano en anestesiologia. ;") or ("practica medica de anestesiologia. ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("federal mexicano en anestesiologia. ;") OR ("practica medica de anestesiologia. ;"))*.
• Removing quotes may allow a broader search: (( federal mexicano en anestesiologia. ; ) or ( practica medica de anestesiologia. ; ))*.