Perhaps you should try some spelling variations:
"fisica medicina de medicina internet ;" » "fisica medicina de medicina interna ;", "fisica medicina de medicina integral ;", "fisica mediciones de medicina internet ;"
"clinicas mexicanas de mediante internet ;" » "clinicas mexicana de mediante internet ;", "clinicas mexicano de mediante internet ;", "clinicas mexicana en mediante internet ;", "clinicas mexicanas adn mediante internet ;", "clinicas mexicanas l.e mediante internet ;", "clinicas mexicanas de mediana internet ;", "clinica mexicanas de mediante internet ;", "clinical mexicanas de mediante internet ;", "cronicas mexicanas de mediante internet ;"

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 de mediante internet ;") or ("fisica medicina de medicina internet ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinicas mexicanas de mediante internet ;") OR ("fisica medicina de medicina internet ;")).
• Removing quotes may allow a broader search: (( clinicas mexicanas de mediante internet ; ) or ( fisica medicina de medicina internet ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinicas mexicanas de mediante internet ;") or ("fisica medicina de medicina internet ;"))*.