Perhaps you should try some spelling variations:
astronomique internationale » economique internationale, assyriologique internationale, astronomy international
international astronomical » international economics, international economic, observations astronomical
autonomie internationaler » theorie internationaler, economique internationale, akteure internationaler

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 astronomical union / union ((astronomique internationale) OR (autonomie internationaler))".
• Adding a wildcard symbol may retrieve word variants: international astronomical union / union ((astronomique internationale) OR (autonomie internationaler))*.