Perhaps you should try some spelling variations:
clinicas mexicana » clinicas mexicanas, cronica mexicana, climatica mexicana
"Clínicas mexicana de medicina internet ;" » "Clínicas mexicana de medicina interna ;", "Clínicas mexicana de medicina integral ;"
"Clínicas mexicana de mediante internet ;" » "Clínicas mexicana adn mediante internet ;", "Clínicas mexicana l.e mediante internet ;", "Clínicas mexicana de mediana 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: (("Clínicas mexicana de medicina internet ;") OR ("Clínicas mexicana de mediante internet ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Clínicas mexicana de medicina internet ;\") OR (\"Clínicas mexicana de mediante internet ;\"))".
• Removing quotes may allow a broader search: (( Clínicas mexicana de medicina internet ; ) OR ( Clínicas mexicana de mediante internet ; )).
• Adding a wildcard symbol may retrieve word variants: (("Clínicas mexicana de medicina internet ;") OR ("Clínicas mexicana de mediante internet ;"))*.