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