Perhaps you should try some spelling variations:
"cientificas mexicano de mediante internet ;" » "cientificos mexicanos de mediante internet ;", "cientifica mexicana de mediante internet ;", "cientificas mexico de mediante internet ;", "cientificas mexicana de mediante internet ;", "cientificas mexicano adn mediante internet ;", "cientificas mexicano l.e mediante internet ;", "cientificas mexicano de mediana internet ;"
"clinica medica de medicina integral ;" » "clinica medica de medicina interna ;", "clinica medica de medicina integrativa ;", "clinica medica de medicina general ;", "politica medica de medicina integral ;", "clinical medicine de medicina integral ;", "clinica juridica de medicina integral ;", "clinica medida de medicina integral ;", "clinica media de medicina integral ;", "clinica medicina de medicina integral ;"

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• Performing a fuzzy search may retrieve terms with similar spellings: (("clinica medica de medicina integral ;") or ("cientificas mexicano de mediante internet ;"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("clinica medica de medicina integral ;") OR ("cientificas mexicano de mediante internet ;")).
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• Adding a wildcard symbol may retrieve word variants: (("clinica medica de medicina integral ;") or ("cientificas mexicano de mediante internet ;"))*.