Perhaps you should try some spelling variations:
"international economic union / union astronomique internationale" » "international economic union / union economique internationale", "international economic union / union assyriologique internationale", "international economic union / union autonomie internationaler", "international economics union / union astronomique internationale"
"international economic union / icarien astronomique internationale" » "international economic union / icarien economique internationale", "international economic union / icarien assyriologique internationale", "international economic union / icarien autonomie internationaler", "international economics union / icarien astronomique internationale", "international economic union / cartes astronomiques internationale"

Try widening your search to All Fields.

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"international economic union / union astronomique internationale\") OR (\"international economic union / icarien astronomique internationale\"))".
• Removing quotes may allow a broader search: (( international economic union / union astronomique internationale ) OR ( international economic union / icarien astronomique internationale )).
• Adding a wildcard symbol may retrieve word variants: (("international economic union / union astronomique internationale") OR ("international economic union / icarien astronomique internationale"))*.