Perhaps you should try some spelling variations:
"climatica mexicana en anestesiologia ;" » "politica mexicana en anestesiologia ;", "climatico mexico en anestesiologia ;", "latina mexicana en anestesiologia ;", "climatica mexicana de anestesiologia ;"
"clinical medicine en anestesiologia ;" » "clinical medicine de anestesiologia ;", "clinical medicina en anestesiologia ;", "clinical medicinal en anestesiologia ;", "clinical medicine _ anestesiologia ;", "clinica medicine en anestesiologia ;"

Try widening your search to All Fields.

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