Perhaps you should try some spelling variations:
"Heterodox economic" » "Heterodox economica", "Heterodox economia", "Heterodox economicas"
"Heterodox economicos" » "Heterodox economicaos", "Heterodox economiaos", "Heterodox economicasos", "Heterodox economicas", "Heterodox economica", "Heterodox economias"
"Heterodox economico" » "Heterodox economicao", "Heterodox economiao", "Heterodox economicaso", "Heterodox economica", "Heterodox economia"

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 economicos") OR ("Heterodox economico"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Heterodox economic\") OR (((\"Heterodox economicos\") OR (\"Heterodox economico\"))))*".
• Removing quotes may allow a broader search: (( Heterodox economic ) OR ((( Heterodox economicos ) OR ( Heterodox economico ))))*.