Perhaps you should try some spelling variations:
"ejercicios practicos aspectos metodologicos." » "ejercicios practicos aspectos sociologicos.", "ejercicios probioticos aspectos metodologicos.", "ejercicios practicos resueltos metodologicos.", "ejercicios practicas respecto metodologicos."
"ejecutivo mexico aspectos psicologicos." » "executives mexico aspectos psicologicos.", "educativo mexico aspectos psicologicos."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("ejecutivo mexico aspectos psicologicos.") or ("ejercicios practicos aspectos metodologicos."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("ejecutivo mexico aspectos psicologicos.") OR ("ejercicios practicos aspectos metodologicos.")).
• Removing quotes may allow a broader search: (( ejecutivo mexico aspectos psicologicos. ) or ( ejercicios practicos aspectos metodologicos. )).
• Adding a wildcard symbol may retrieve word variants: (("ejecutivo mexico aspectos psicologicos.") or ("ejercicios practicos aspectos metodologicos."))*.