Perhaps you should try some spelling variations:
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"clinica mexicanas de medicina internet ;" » "clinicas mexicanas de medicina internet ;", "cronica mexicana de medicina internet ;", "politica mexicana de medicina internet ;", "clinica mexicanas de medicina interna ;", "clinica mexicanas de mediante internet ;", "clinica mexicanas de medicina integral ;", "clinica mexicano de medicina internet ;", "clinica mexicana en medicina internet ;", "clinica mexicana _ medicina internet ;"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (("clinica mexicanas de medicina internet ;") OR ("climatica mexicana de medicina internet ;"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"clinica mexicanas de medicina internet ;\") OR (\"climatica mexicana de medicina internet ;\"))".
• Removing quotes may allow a broader search: (( clinica mexicanas de medicina internet ; ) OR ( climatica mexicana de medicina internet ; )).
• Adding a wildcard symbol may retrieve word variants: (("clinica mexicanas de medicina internet ;") OR ("climatica mexicana de medicina internet ;"))*.