Perhaps you should try some spelling variations:
"politica medicina del anestesiologia ;" » "politica medicina de anestesiologia ;", "politica medicina la anestesiologia ;", "politica medicina el anestesiologo ;", "politica medica del anestesiologia ;", "politica mexicana del anestesiologia ;", "politica americana del anestesiologia ;"
"climaticos mexico en anestesiologia ;" » "climatico mexico en anestesiologia ;", "climaticos medios en anestesiologia ;", "alimenticios mexico en anestesiologia ;", "climaticos mexico 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: (("climaticos mexico en anestesiologia ;") or ("politica medicina del anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("climaticos mexico en anestesiologia ;") OR ("politica medicina del anestesiologia ;")).
• Removing quotes may allow a broader search: (( climaticos mexico en anestesiologia ; ) or ( politica medicina del anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("climaticos mexico en anestesiologia ;") or ("politica medicina del anestesiologia ;"))*.