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 economicos" » "Heterodox economicaos", "Heterodox economicoos", "Heterodox economiaos", "Heterodox economico", "Heterodox economica"

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 economicos"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"Heterodox economic\") OR (\"Heterodox economicas\"))) OR (\"Heterodox economicos\"))".
• Removing quotes may allow a broader search: (((( Heterodox economic ) OR ( Heterodox economicas ))) OR ( Heterodox economicos )).
• Adding a wildcard symbol may retrieve word variants: (((("Heterodox economic") OR ("Heterodox economicas"))) OR ("Heterodox economicos"))*.