Perhaps you should try some spelling variations:
"politicas juridicas y anestesiologia ;" » "politicos juridicos y anestesiologia ;", "clinicas juridicas y anestesiologia ;", "politicas publicas y anestesiologia ;", "politicas juridicas en anestesiologia ;", "politicas juridicas la anestesiologia ;", "politicas juridicas anestesiologia y ;"
"clinical mediciones de anestesiologia ;" » "clinical medicine de anestesiologia ;", "fisica mediciones de anestesiologia ;", "clinical indications de anestesiologia ;", "clinical ediciones de anestesiologia ;", "clinical medicion de anestesiologia ;", "clinical ediciones del 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: (("politicas juridicas y anestesiologia ;") or ("clinical mediciones de anestesiologia ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("politicas juridicas y anestesiologia ;") OR ("clinical mediciones de anestesiologia ;")).
• Removing quotes may allow a broader search: (( politicas juridicas y anestesiologia ; ) or ( clinical mediciones de anestesiologia ; )).
• Adding a wildcard symbol may retrieve word variants: (("politicas juridicas y anestesiologia ;") or ("clinical mediciones de anestesiologia ;"))*.