Perhaps you should try some spelling variations:
"clinical medicine en anestesiologia. ;" » "clinical medicine de anestesiologia. ;", "clinical medicina en anestesiologia. ;", "clinical medicinal en anestesiologia. ;", "clinical medicine _ anestesiologia. ;", "clinica medicine en anestesiologia. ;"
"cronicas mexicana en anestesiologia. ;" » "cronicas mexicana de anestesiologia. ;", "cronica mexicana en anestesiologia. ;", "cronicas americanas en anestesiologia. ;", "clinicas mexicanas en anestesiologia. ;"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("clinical medicine en anestesiologia. ;") or ("cronicas mexicana en anestesiologia. ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinical medicine en anestesiologia. ;") OR ("cronicas mexicana en anestesiologia. ;")).
• Removing quotes may allow a broader search: (( clinical medicine en anestesiologia. ; ) or ( cronicas mexicana en anestesiologia. ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinical medicine en anestesiologia. ;") or ("cronicas mexicana en anestesiologia. ;"))*.