Perhaps you should try some spelling variations:
societe oeconomique » socio economique
societe astronomie » societe astronomique, society astronomy, schule astronomie
oeconomique de » economique de, economique des, economique du
astronomie de » astronomie und

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( societe astronomie de france ) OR ( societe oeconomique de france )).
• Adding a wildcard symbol may retrieve word variants: (( societe astronomie de france ) or ( societe oeconomique de france ))*.