Perhaps you should try some spelling variations:
"clinicas mexicana el anestesiologo ;" » "clinicas mexicanas el anestesiologo ;", "climatica mexicana el anestesiologo ;", "clinical medicine el anestesiologo ;", "clinicas mexicana en anestesiologia ;", "clinicas mexicana la anestesiologia ;", "clinicas mexicana y anestesiologia ;", "clinicas mexicana del anestesiologo ;", "clinicas mexicana en anestesiologo ;", "clinicas mexicanas del anestesiologo ;"
"cronica mexicana de anestesiologia ;" » "botanica mexicana de anestesiologia ;", "prensa mexicana de 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: (("cronica mexicana de anestesiologia ;") or ("clinicas mexicana el anestesiologo ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("cronica mexicana de anestesiologia ;") OR ("clinicas mexicana el anestesiologo ;")).
• Removing quotes may allow a broader search: (( cronica mexicana de anestesiologia ; ) or ( clinicas mexicana el anestesiologo ; )).
• Adding a wildcard symbol may retrieve word variants: (("cronica mexicana de anestesiologia ;") or ("clinicas mexicana el anestesiologo ;"))*.