Perhaps you should try some spelling variations:
"Foundations of modelos economicos sociales" » "Foundations of modelos economico social", "Foundations of modelos economicos spines", "Foundations of modelos conflictos sociales"
"Foundations of modelo economica serie" » "Foundations of modelo economico serie", "Foundations of modern economic serie", "Foundations of modelacion economica serie", "Foundations of modelo economica spines"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Foundations of modelos economicos sociales") OR ("Foundations of modelo economica serie"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Foundations of modelos economicos sociales\") OR (\"Foundations of modelo economica serie\"))*".
• Removing quotes may allow a broader search: (( Foundations of modelos economicos sociales ) OR ( Foundations of modelo economica serie ))*.