Perhaps you should try some spelling variations:
"Foundations of modern economic studies" » "Foundations of modern economy studies", "Foundations of modern economicas estudios", "Foundations of modern economica estudio", "Foundations of modelo economico studies", "Foundations of poder economico studies", "Foundations of poder economia studies"
"Foundations of modern economia spines" » "Foundations of poder economia spines", "Foundations of modelo economico spines"

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: (("Foundations of modern economic studies") OR ("Foundations of modern economia spines"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Foundations of modern economic studies\") OR (\"Foundations of modern economia spines\"))".
• Removing quotes may allow a broader search: (( Foundations of modern economic studies ) OR ( Foundations of modern economia spines )).
• Adding a wildcard symbol may retrieve word variants: (("Foundations of modern economic studies") OR ("Foundations of modern economia spines"))*.