Perhaps you should try some spelling variations:
"Heterodox economic" » "Heterodox economica", "Heterodox economico", "Heterodox economia"
"Heterodox economicas" » "Heterodox economicaas", "Heterodox economicoas", "Heterodox economiaas", "Heterodox economica", "Heterodox economia", "Heterodox economico"
"Heterodox economicao" » "Heterodox economicaao", "Heterodox economicoao", "Heterodox economiaao", "Heterodox economica", "Heterodox economico", "Heterodox economical"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Heterodox economic") OR ((("Heterodox economicas") OR ("Heterodox economicao"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Heterodox economic\") OR (((\"Heterodox economicas\") OR (\"Heterodox economicao\"))))*".
• Removing quotes may allow a broader search: (( Heterodox economic ) OR ((( Heterodox economicas ) OR ( Heterodox economicao ))))*.